Solve the problem.The graph of a quadratic function has y-intercept (0, 8) and x-intercepts (2, 0) and (-4,0). Find an equation of the function.
A. y = -2x2 - 2x + 8
B. y = -x2 - 2x + 8
C. y = -x2 - 9x + 8
D. y = x2 - 9x + 8
Answer: B
Mathematics
You might also like to view...
Graph the linear inequality.y ? 3x - 4
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The spring of a spring balance is 6.0 in. long when there is no weight on the balance, and it is 9.3 in. long with 8.0 lb hung from the balance. How much work is done in stretching it from 6.0 in. to a length of 10.7 in.?
A. 95 lb?in. B. 5.7 lb?in. C. 4.6 lb?in. D. 27 lb?in.
Mathematics
Find the exact value of the expression.cos 840°
A. 
B. - 
C. - 
D. - 
Mathematics
Write the reciprocal of the number.- 
A. 
B. 16
C. -16
D. - 
Mathematics