Solve the equation.x2 = 4
A. ± 2
B. 3
C. 2
D. -2
Answer: A
Mathematics
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If 
evaluate the difference quotient 
What will be an ideal response?
Mathematics
Multiply.(2x + 0.5)(2x - 0.5)
A. 4x2 - 0.25 B. 4x2 - 1 C. 4x2 - 2x- 0.25 D. 4x2 - 2.5
Mathematics
Find the area of a rhombus with diagonals 15 meters and 22 meters.
What will be an ideal response?
Mathematics
Solve the quadratic inequality. Express your solution on a number line using interval notation.x2 - 8x + 7 ? 0
A. (-?, 1]
B. [1, 7]
C. (-?, 1] ? [7, ?)
D. [7, ?)
Mathematics