Solve the equation by factoring.7x2 - 14x = 0
A. 
B. 
C. {0}
D. 
Answer: B
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Rotate the coordinate axes to change the given equation into an equation which has no cross product (xy) term. Identify the graph of the equation as a hyperbola, ellipse, parabola, a straight line, or parallel lines.5x2 + 6xy + 5y2 = 15
A. 8u2 + 2v - 15 = 0; Parabola B. 8u2 - 2v2 - 15 = 0; Hyperbola C. 8u2 + 2v2 - 15 = 0; Ellipse D. 8u2 + 2u - 15 = 0; Parallel lines
Solve the problem.The force required to compress a spring varies directly as the change in the length of the spring. If a force of 18 pounds is required to compress a certain spring 4 inches, how much force is required to compress the spring 7 inches?
A. 21 pounds B. 10.3 pounds C. 35 pounds D. 31.5 pounds
Expand the number to its natural form.6.09 × 108
A. 6,090,000,000 B. 609,000,000 C. 6,090,000 D. 60,900,000
The circle or ellipse shown in the calculator-generated graph was created using function mode with a square viewing window. What are the two functions y1 and y2 that were used to obtain the graph whose equation is given?x2 + 
= 1
A. 
, 
B. 
, 
C. 
, 
D. 
, 