Simplify.-5x ? 9x
A. -45x
B. -45x2
C. 4x
D. 4x2
Answer: B
Mathematics
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At the given point, find the slope of the curve or the line that is tangent to the curve, as requested.x5y5 = 32, tangent at (2, 1)
A. y = 16x + 1
B. y = 16x - 1
C. y = 
x
D. y = - 
x + 2
Mathematics
Solve the system by the substitution method.
A. {(-8, -5)} B. {(8, -5)} C. {(-8, 5)} D. {(8, 5)}
Mathematics
Write the fraction as an equivalent percent.
A. 5.7% B. 57% C. 0.57% D. 570%
Mathematics
Graph the linear equation. Give the x- and y-intercepts.y + 3x = 0
A. x-intercept: (0, 0); y-intercept: (0, 0)
B. x-intercept: (0, 0); y-intercept: (0, 0)
C. x-intercept: (0, 0); y-intercept: (0, 0)
D. x-intercept: (0, 0); y-intercept: (0, 0)
Mathematics