Find the product.(x + 8)(x - 8)
A. x2 + 16x - 64
B. x2 - 16x - 64
C. x2 - 64
D. x2 - 16
Answer: C
Mathematics
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Evaluate using the order of operations.23 - (7 + 4 ? 
) + 23 - 6
A. 14 B. 6 C. -40 D. 22
Mathematics
Solve the equation.
= y + 4
A. {8} B. {-7} C. {7} D. {-6}
Mathematics
Select the smaller of the two given numbers.19, ?-23?
A. 19 B. ?-23?
Mathematics
Graph the quadratic equation. Determine the x-intercepts, if they exist. Identify the vertex and axis of symmetry.y = x2 + 4x - 7
A. vertex: (- 
, - 
)
x-intercepts: (-4, 0) and (3, 0)
B. vertex: (4, 0)
x-intercept: (4, 0)
C. vertex: (-2, -11)
x-intercepts: (-2 ± 
, 0)
D. vertex: (-2, 3)
x-intercepts: none
Mathematics