Graph the quadratic equation. Identify the vertex and the intercept points with their coordinates.y = x2 - 9
A. vertex: (0, -9)
x-intercepts: (-3, 0) and (3, 0)
y-intercept: (0, -9)
B. vertex: (0, 9)
x-intercepts: none
y-intercept: (0, 9)
C. vertex: (0, -9)
x-intercepts: none
y-intercept: (0, -9)
D. vertex: (-9, 0)
x-intercept: (-9, 0)
y-intercept: (0, 81)
Answer: A
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The following table shows the number C, in millions, of cars sold in the U.S. t years after 2005. Use the regression line for the data to estimate the number of cars sold in 2013. t 0 1 3 5 C 5.54 5.46 5.24 4.54? ?
A. 3.70 million B. 4.92 million C. 3.16 million D. 4.11 million
Provide an appropriate response.-2x + 3y = A 4x - 9y = BFor what values of A and B will this system of equations have (0, 0) as a solution?
Fill in the blank(s) with the appropriate word(s).
Solve by the substitution method. x + 6y = 367x + 7y = 42
A. (-6, 0) B. (36, 42) C. (0, 6) D. (1, 5)
Provide an appropriate response.Is 
a solution of 2x2 + 5x = 12?
A. not a solution B. solution