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ACCUPLACER EXAM
EXAM WITH CORRECT SOLUTIONS.
What is the Formula for area of a triangle? - correct answer- A=1/2bh
What is the Quadratic Formula? - correct answer- x = (-b ± √b^2 - 4ac)/2a (will get 2 answers)
What is the Equation of a circle? - correct answer- (x-h)^2 + (y- k)^2 = r^2
Permutations & Combinations - correct answer- Use the dash method (ex. _____ * _____ * _____ )
SOHCAHTOA - correct answer- SIN (Opposite/Hypotenuse) COS (Adjacent/Hypotenuse) TAN (Opposite/Adjacent)
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Triangle Classification - correct answer- An isosceles triangle has two sides of equal length. An equilateral triangle has three sides of equal length. A scalene triangle has no sides of equal length.
Area of a trapezoid formula - correct answer- A= 1/2(b1 + b2)h
Distance Formula - correct answer- d = √[( x₂ - x₁)² + (y₂ - y₁)²]
midpoint formula - correct answer- (x₁+x₂)/2, (y₁+y₂)/2
Logarithm Product Rule - correct answer- logb(MN)=logb(M)+logb(N)
Logarithm Quotient Rule - correct answer- log b(M/N)=logb(M)- logb(N)
Logarithm Power Rule - correct answer- logb(x^y) = y ∙ logb(x)
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