Compare the graph of the given quadratic function f with the graph of y = x2.f(x) = -5x2
A. Narrower
B. Reflected across the x-axis and wider
C. Wider
D. Reflected across the x-axis and narrower
Answer: D
Mathematics
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Solve the equation.
= 6
A. - 
B. 
C. 
D. - 7
Mathematics
Decide whether the statement is true or false. 
= 
A. True B. False
Mathematics
Write an equation for a function that has a graph with the given characteristics.The shape of y = x2, but upside-down and vertically stretched by a factor of 7.
A. f(x) = -7x2 B. f(x) = 7x2 C. f(x) = 7(x - 7)x2 D. f(x) = (x - 7)2
Mathematics
Find the vertex of the given parabola.f(x) = 4x2 - 24x + 40
A. (3, 4) B. (-4, -3) C. (-3, -4) D. (4, 3)
Mathematics