Find an equation in slope-intercept form for the nonvertical lines. Write the vertical lines in the form x = h.Passing through (-7, 8) and (-1, -3)
A. y = 
x - 
B. y = - 
x - 
C. y = - 
x - 
D. y = 
x - 
Answer: B
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Solve.The amount of gas that a helicopter uses is directly proportional to the number of hours spent flying. The helicopter flies for 2 hours and uses 14 gallons of fuel. Find the number of gallons of fuel that the helicopter uses to fly for 5 hours.
A. 40 gallons B. 35 gallons C. 10 gallons D. 42 gallons
Write the equation of the indicated line. Write the equation in slope-intercept form.The line perpendicular to y = 
x + 5 that passes through (4, 4)
A. y = 6x - 28
B. y = - 
x - 
C. y = - 6x + 28
D. y = - 6x - 28
Find the expected value.A new light bulb has been found to have a 0.02 probability of being defective. A shop owner receives 500 bulbs of this kind. How many of these bulbs are expected to be defective?
A. 20 B. 100 C. 10 D. 500
Solve the equation using the quadratic formula.4x2 - 20x = -25
A. 
B. 
C. 
D. 