Graph the quadratic equation. Identify the vertex and the intercept points with their coordinates.y = x2 - 1
A. vertex: (0, -1)
x-intercepts: none
y-intercept: (0, -1)
B. vertex: (0, 1)
x-intercepts: none
y-intercept: (0, 1)
C. vertex: (-1, 0)
x-intercept: (-1, 0)
y-intercept: (0, 1)
D. vertex: (0, -1)
x-intercepts: (-1, 0) and (1, 0)
y-intercept: (0, -1)
Answer: D
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Use the quadratic formula to find the exact solutions.x2 + 9x = -14
A. -2, -7 B. -2, 7 C. 2, 7 D. -7, 2
Find the odds in favor of the indicated event.Randomly drawing a 4 from the cards pictured below. 
A. 4 to 1 B. 5 to 1 C. 1 to 4 D. 1 to 5
Suppose that in the loan described, the borrower made a larger payment, as indicated. Calculate (a) the time needed to pay off the loan, (b) the total amount of the payments, and (c) the amount of interest saved, compared with the original loan and payments.$90,000; 6% compounded annually; 12 annual payments; with larger payment of $19,000.
A. (a) 6 years (b) $109,135.66 (c) $19,683.50 B. (a) 5 years (b) $89,452.16 (c) $19,005.50 C. (a) 5 years (b) $95,000 (c) $28,448.50 D. (a) 6 years (b) $114,000 (c) $18,449.50
Graph the inequality or system of inequalities.y ? 
y ? 3
A. 
B. 
C. 
D. 