Solve for the variable.-8x = 48
A. -6
B. 56
C. 1
D. -56
Answer: A
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Find the x-intercepts of the graph of the equation. (The grids are intentionally not included.)y = x2 - x - 30
A. (1, 0), (-30, 0) B. (30, 0) C. (6, 0), (5, 0) D. (-5, 0), (6, 0)
Eliminate the parameter t. Find a rectangular equation for the plane curve defined by the parametric equations.x = 5 tan t, y = 4 sec t; 0 ? t ? 2?
A. 
- 
= 1; -? < x < ?
B. 
+ 
= 1; -? < x < ?
C. y = x2 - 9; -3 ? x ? 3
D. y = 4
; -? < x < ?
Use the rules of exponents to simplify the expression. Write the answer with positive exponents. Assume that all variables represent positive real numbers.-5k1/8(-4k3/8 + 4k3/4)
A. 20k3/64 - 20k3/32 B. 20k-1/4 + 20k-5/8 C. 20k1/2 - 20k7/8 D. 20k1/2 + 20k7/8
Find a set of parametric equations for the rectangular equation.
?
?
A. 
B. 
C. 
D. 
E. 