Use the given graph of y = ax + b to solve the inequality. Write the solution set in interval notation.5x - 7.7 > 0
y = 5x - 7.7
A. (-?, 1.5]
B. (1.5, ?)
C. [1.5, ?)
D. (-?, 1.5)
Answer: B
Mathematics
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Solve for the angle ?, where 0 ? ? ? 2?cos2? =
A. ? = 0, ?, 2?
B. ? = ,
,
,
C. ? = ,
,
,
D. ? = ,
,
,
Mathematics
Solve the quadratic equation by completing the square.x2 + 3x - 9 = 0
A. x =
B. x =
C. x =
D. x = -3 ± 3
Mathematics
Simplify the expression.644/3
A. 16,384 B. 4096 C. 256 D. 1024
Mathematics
Find the square.(8x2 + y)2
A. 64x4 + 8x2y + y2 B. 64x4 + 8x3 + 16x2y + y2 C. 64x4 + 16x2y + y2 D. 64x4 + x3y2 + 16x2y
Mathematics