Solve the equation.|-7x + 5| = 16
A. 
B. 
C. 
D. 
Answer: A
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Solve the problem.The temperature at 4 p.m. on January 22 was -10° Fahrenheit. By 9 p.m. the temperature had risen 24 degrees. Find the temperature at 9 p.m.
A. 14° B. -34° C. -14° D. 34°
Find the slope of the line determined by the given equation and then sketch the line.3x + 5y = 26
A. slope = - 
B. slope = 
C. slope = - 
D. slope = 
Find the vertex, the y-intercept, and the x-intercepts (if any exist), and graph the function.p(x) = -x2 - 4x - 8
A. 
Vertex (2, 4)
x-int = (0, 0), (4, 0);
y-int = (0, 0)
B. 
Vertex (2, -4)
no x-intercepts;
y-int = (0, -8)
C. 
Vertex (-2, 4)
x-int = (-4, 0), (0, 0);
y-int = (0, 0)
D. 
Vertex (-2, -4)
no x-intercepts;
y-int = (0, -8)
Find the dot product, u ? v, for the given vectors.u = 
, v = 
A. -28 B. -6 C. 78 D. -12