Use the quadratic formula to solve the equation.2x2 = -8x - 7
A. 
B. 
C. 
D. 
Answer: A
Mathematics
You might also like to view...
Solve the problem.Using a phone card to make a long distance call costs a flat fee of $0.25 plus $0.12 per minute starting with the first minute. What is an equation of the form 
for this situation?
A. y = 0.25x B. y = 0.25x + 0.12 C. y = 0.12x + 0.25 D. y = 0.12x
Mathematics
Provide an appropriate response.Solve by factoring: b2 = 65 - 8b
Fill in the blank(s) with the appropriate word(s).
Mathematics
Provide an appropriate response.Find the arc length of the indicated sector of the given circle. 
A. 27.58 cm B. 8.78 cm C. 137.88 cm2 D. 220.83 cm
Mathematics
Find the equation of the line of best fit from the data in the table. Round the slope and the y-intercept to the nearest hundredth.
A. y = 54 B. y = 0.25x + 50.4 C. y = 55.3 D. y = 3x + 50
Mathematics