Find the vertex of the parabola.f(x) = -4x2 - 8x - 8
A. (-1, -4)
B. (4, 1)
C. (1, 4)
D. (-4, -1)
Answer: A
You might also like to view...
Find the standard equation of the circle that satisfies the conditions.Endpoints of a diameter (6, 5) and (-5, 3)
A. 
2 + 
2 = 5
B. 
2 + 
2 = 125
C. 
2 + 
2 = 
D. 
2 + 
2 = 65
Use grouping to help factor the expression.x3 + 3x2 - 64x - 192
A. (x + 8)(x - 8)(x + 3) B. (x - 8)(x - 8)(x + 3) C. (x - 3)(x + 8)2 D. (x + 8)(x - 3)2
Approximate the area under the curve and above the x-axis using n rectangles. Let the height of each rectangle be given by the value of the function at the right side of the rectangle.f(x) = x2 from x = 0 to x = 4; n = 4
A. 36 B. 33 C. 27 D. 30
Translate the mathematical sentence to an English sentence.9y = 45
A. Some number times forty-five is nine. B. Nine times some number is 45. C. The product of nine and some number is forty-five. D. Some number is the product of nine and forty-five.