Use the vertex and intercepts to sketch the graph of the equation. Give the equation for the parabola's axis of symmetry.x = -y2 - 16y - 57
A. Axis of symmetry is x = -8.
B. Axis of symmetry is y = 8.
C. Axis of symmetry is x = 8.
D. Axis of symmetry is y = -8.
Answer: D
Mathematics
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Solve the formula for the given variable.I = 
for r
A. r = 
B. r = IR(In - E)
C. r = 
D. r = 
Mathematics
Identify the base and the exponent for the exponential expression.(-15)4
A. Base: 15, exponent: 4 B. Base: 4, exponent: -15 C. Base: -15, exponent: 4 D. Base: 4, exponent: 15
Mathematics
Multiply and simplify.
? 
A. 
B. 
C. 
D. 
Mathematics
Simplify the expression.729-1/3
A. 
B. 
C. 9
D. -9
Mathematics