Use Gaussian elimination to solve the system of equations.-2x + 4y = -2-4x = -4 - 8y
A. (-14, -18)
B. No solution
C. (5, -18)
D. (5, 2)
Answer: B
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Solve the problem.Susan's backyard is rectangular with dimensions 39 yd by 78 yd. Carlos's backyard is rectangular with dimensions 26 yd by 50 yd. How much larger is the area of Susan's backyard than the area of Carlos's backyard?
A. 4342 yd2 B. 82 yd2 C. 1742 yd2 D. 3042 yd2
Provide the proper response.To rationalize the denominator of an expression such as 
, we multiply both the numerator and the denominator by 
. By what number are we actually multiplying the given expression, and what property of real numbers justifies the fact that our result is equal to the given expression?
What will be an ideal response?
Find the slope of the line containing the two points.(-6, 3); (-6, 8)
A. - 
B. 5
C. 0
D. undefined
Identify the vertex of the given parabola.f(x) = (x - 2)2
A. 
B. 
C. 
D. 