Write the equation of the quadratic function whose graph is a parabola containing the given points.(0, -1), (4, 51), (-2, 9)
A. y = 3x2 + x - 2
B. y = 2x2 + x - 1
C. y = 3x2 - x - 1
D. y = 3x2 + x - 1
Answer: D
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Use the position equation 
, where s represents the height of an object (in feet), 
represents the initial velocity of the object (in feet per second),
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A projectile is fired straight upward from ground level 
with an initial velocity of 160 feet per second. At what instant will it be back at ground level?
?
A. 
Sec
B. 
Sec
C. 
Sec
D. 
Sec
E. 
Sec
Find the area of the triangle.
A. 882 cm2 B. 1533 cm2 C. 1008 cm2 D. 766.5 cm2
Multiply.x6 ? x6
A. 2x12 B. 2x36 C. x12 D. x36
Simplify the expression.
?
?
Write all answers without using negative exponents. Assume that all variables represent positive numbers.
?
A. 
B. 
C. 
D. 
E. 