Find the angle between vectors v and w. Round the answer to the nearest tenth of a degree.v = 3i + 3j, w = -2i + 8j
A. 81.8°
B. 60°
C. 59°
D. 149°
Answer: C
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Use the Rational Zeros Theorem to find all the real zeros of the polynomial function. Use the zeros to factor f over the real numbers. f(x) = 5x3 - 9x2 - 6x + 8
A. -1, 
, 2; f(x) = (5x - 4)(x - 2)(x + 1)
B. -1, 
, -2; f(x) = (5x - 4)(x - 2)(x + 1)
C. -2, 
, 1; f(x) = (5x - 4)(x - 1)(x + 2)
D. 1, 
, -2; f(x) = (5x - 4)(x - 1)(x + 2)
Match the graph to the function listed whose graph most resembles the one given.
A. reciprocal function B. square function C. absolute value function D. linear function
Find a rectangular equation for the plane curve defined by the parametric equations.x = t + 4, y = t2
A. y = x2 - 8x + 16
B. y = 
C. y = 
+ x + 4
D. y = x2 + 16
Solve the problem.The floor of a rectangular room is to be tiled with 
foot square tiles along a 6
foot wall. How many tiles will be needed along the wall?
A. 18
tiles
B. 18
tiles
C. 20 tiles
D. 2
tiles