Provide an appropriate response.
Solve the following quadratic using any method: 81x2 = 121
A. 
, 
B. 3, -3
C. 4, -4
D. 
, 
Answer: D
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Find the equation of the line passing through the indicated two points. Write the equation in point-slope form.(7, 9) and (4, 1)
A. y + 9 = 
(x + 7) or y + 1 = 
(x + 4)
B. y - 9 = 
(x - 7) or y - 1 = 
(x - 4)
C. y - 9 = 
(x - 7) or y - 1 = 
(x - 4)
D. y + 9 = 
(x + 7) or y + 1 = 
(x + 4)
Determine the quadratic function whose graph is given.
A. f(x) = -x2 + 6x - 5 B. f(x) = x2 + 6x + 5 C. f(x) = -x2 - 6x - 5 D. f(x) = -x2 + 6x + 5
Translate the sentence into an equation, then solve.The sum of 1 and x is the same as 10.
A. 1 + x = 10, x = -9 B. 10 + x = 1, x = 9 C. x + 1 = 10, x = 11 D. 1 + x = 10, x = 9
Solve the given equation for the indicated variable. (Leave ± in the answer, if appropriate)r = 
for A
A. A = 2?r
B. A = ± 
C. A = ± 2?
D. A = 2?r2