Find the slope of the line tangent tangent to the graph a the given point. y = -5x - 7, x = 2
A. m = -10
B. m = -5
C. m = 10
D. m = 5
Answer: B
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Solve the equation.(7s - 6)2 = 25
A. {
, 
}
B. {- 
, - 
}
C. {
}
D. {
, 0}
Solve the problem.Find the equations of the tangent and normal lines to the parabola with vertex at (0, 0) and focus at (0, 2), at the point where 
A. Tangent: 8y + 2x + 1 = 0 Normal: 32y + 8x - 33 = 0 B. Tangent: 8y - 2x + 1 = 0 Normal: 8y + 32x - 33 = 0 C. Tangent: 2y - 8x + 1 = 0 Normal: 8y + 32x - 33 = 0 D. Tangent: 8y +2x + 1 = 0 Normal: 8y - 32x - 33 = 0
Find the slope.Find the slope of a line perpendicular to the line y = - 
x.
A. 5
B. undefined
C. - 
D. 0
Solve the problem.By switching service providers, a family's telephone bill decreased from about $50 a month to about $45. What was the percent of decrease?
A. 5% decrease B. 11.1% decrease C. 10% decrease D. 11% decrease