Determine whether or not the equation is quadratic.x(x - 4) = 9
A. Quadratic.
B. Not quadratic.
Answer: A
Mathematics
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Solve the equation.4x = 2
A. 
B. -2
C. - 
D. 2
Mathematics
Solve the formula for the indicated variable.h = 
for b (geometry)
A. b = 2A - Bh
B. b = 
C. b = 
D. b = 
Mathematics
Which of the following equation does not represent y as a function of x? ?
A. y2 = 1 - x B. y = x2+ 1 C. x2 + y = 1 D. y = x2 + x- 1 E. y = x2 - 1
Mathematics
Solve the problem.A football is kicked straight up from a height of 3 feet with an initial speed of 70 feet per second. The formula h = -16t2 + 70t + 3describes the ball's height above the ground, h, in feet, t seconds after it was kicked. Will the ball reach a height of 88 feet? Substitute 88 for h in the given formula and solve the equation. Are the solutions real numbers?
What will be an ideal response?
Mathematics