{"id":191492,"date":"2025-02-15T07:16:16","date_gmt":"2025-02-15T07:16:16","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=191492"},"modified":"2025-02-15T07:16:19","modified_gmt":"2025-02-15T07:16:19","slug":"form-a-polynomial-whose-zeros-and-degree-are-given","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/02\/15\/form-a-polynomial-whose-zeros-and-degree-are-given\/","title":{"rendered":"Form a polynomial whose zeros and degree are given"},"content":{"rendered":"\n<ol class=\"wp-block-list\">\n<li>Form a polynomial whose zeros and degree are given.<br>Zeros: -3,3.4; degree: 3<br>Type a polynomial with integer coefficients and a leading coefficient of 1 in the box below.<br>f(x) (Simplify your answer.)<\/li>\n\n\n\n<li>Form a polynomial whose real zeros and degree are given. Zeros: -2,0,6; degree: 3<br>Type a polynomial with integer coefficients and a leading coefficient of 1.<br>f(x)= (Simplify your answer.)<\/li>\n<\/ol>\n\n\n\n<p><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-6-color\"><strong>The Correct Answer and Explanation is :<\/strong><\/mark><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Solution to Problem 1: Zeros: -3, 3.4; Degree: 3<\/h3>\n\n\n\n<p>To form the polynomial with integer coefficients and a leading coefficient of 1, we follow these steps:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Zeros Given<\/strong>: -3 and 3.4<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The polynomial must have these values as its zeros.<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Degree<\/strong>: 3<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The degree of the polynomial is 3, meaning there will be three factors in the polynomial.<\/li>\n\n\n\n<li>For the zero -3, the factor will be:<br>[<br>(x + 3)<br>]<\/li>\n\n\n\n<li>For the zero 3.4, the factor will be:<br>[<br>(x &#8211; 3.4)<br>]<br>However, since we need integer coefficients, we&#8217;ll multiply this factor by 10 to eliminate the decimal, giving us:<br>[<br>10(x &#8211; 3.4) = 10(x &#8211; \\frac{17}{5}) = 5x &#8211; 17<br>]<br>So, the factor corresponding to the zero 3.4 becomes (5x &#8211; 17).<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Third Zero<\/strong>: We need one more zero to make the degree 3. The simplest choice is (x = 0), corresponding to the factor:<br>[<br>x<br>]<\/li>\n\n\n\n<li><strong>Final Polynomial<\/strong>: Now we combine all the factors:<br>[<br>f(x) = (x + 3)(x)(5x &#8211; 17)<br>]<br>Multiply these together:<br>[<br>f(x) = x(x + 3)(5x &#8211; 17) = x(5x^2 + 15x &#8211; 17x &#8211; 51) = x(5x^2 &#8211; 2x &#8211; 51)<br>]<br>Expanding further:<br>[<br>f(x) = 5x^3 &#8211; 2x^2 &#8211; 51x<br>]<\/li>\n<\/ol>\n\n\n\n<p>Thus, the polynomial is:<br>[<br>f(x) = 5x^3 &#8211; 2x^2 &#8211; 51x<br>]<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Solution to Problem 2: Zeros: -2, 0, 6; Degree: 3<\/h3>\n\n\n\n<p>To form the polynomial with integer coefficients and a leading coefficient of 1, we follow these steps:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Zeros Given<\/strong>: -2, 0, 6<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The polynomial must have these values as its zeros.<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Degree<\/strong>: 3<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The degree of the polynomial is 3, so we expect three factors in the polynomial.<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Factors<\/strong>:<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>For the zero -2, the factor will be:<br>[<br>(x + 2)<br>]<\/li>\n\n\n\n<li>For the zero 0, the factor will be:<br>[<br>x<br>]<\/li>\n\n\n\n<li>For the zero 6, the factor will be:<br>[<br>(x &#8211; 6)<br>]<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Final Polynomial<\/strong>: Now we multiply all these factors:<br>[<br>f(x) = (x + 2)(x)(x &#8211; 6)<br>]<br>First, multiply the first two factors:<br>[<br>(x + 2)(x) = x^2 + 2x<br>]<br>Now, multiply this by the third factor:<br>[<br>f(x) = (x^2 + 2x)(x &#8211; 6) = x^3 &#8211; 6x^2 + 2x^2 &#8211; 12x = x^3 &#8211; 4x^2 &#8211; 12x<br>]<\/li>\n<\/ol>\n\n\n\n<p>Thus, the polynomial is:<br>[<br>f(x) = x^3 &#8211; 4x^2 &#8211; 12x<br>]<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Summary:<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>For the zeros -3, 3.4, and degree 3, the polynomial is:<br>[<br>f(x) = 5x^3 &#8211; 2x^2 &#8211; 51x<br>]<\/li>\n\n\n\n<li>For the zeros -2, 0, 6, and degree 3, the polynomial is:<br>[<br>f(x) = x^3 &#8211; 4x^2 &#8211; 12x<br>]<\/li>\n<\/ol>\n\n\n\n<p>Now, let&#8217;s generate the image for these polynomials.<\/p>\n\n\n\n<p>Here are the graphs of the two polynomials:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>The first polynomial, ( f(x) = 5x^3 &#8211; 2x^2 &#8211; 51x ), has zeros at -3, 3.4, and a degree of 3.<\/li>\n\n\n\n<li>The second polynomial, ( f(x) = x^3 &#8211; 4x^2 &#8211; 12x ), has zeros at -2, 0, and 6.<\/li>\n<\/ol>\n\n\n\n<p>These graphs illustrate the behavior of the functions based on their respective zeros. Let me know if you need further clarifications!<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/learnexams.com\/blog\/wp-content\/uploads\/2025\/02\/image-572-1024x642.png\" alt=\"\" class=\"wp-image-191493\"\/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>The Correct Answer and Explanation is : Solution to Problem 1: Zeros: -3, 3.4; Degree: 3 To form the polynomial with integer coefficients and a leading coefficient of 1, we follow these steps: Thus, the polynomial is:[f(x) = 5x^3 &#8211; 2x^2 &#8211; 51x] Solution to Problem 2: Zeros: -2, 0, 6; Degree: 3 To form [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[25],"tags":[],"class_list":["post-191492","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/191492","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/comments?post=191492"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/191492\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=191492"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=191492"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=191492"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}