Graph the parabola and give its vertex, axis, x-intercepts, and y-intercepts.f(x) = -2x2 + 12x - 20
A. vertex (-3, -2); axis is x = -3;
no x-intercepts; y-intercept is - 
B. vertex (-3, -2); axis is x = -3;
no x-intercepts; y-intercept is -20
C. vertex (3, -2); axis is x = 3;
no x-intercepts; y-intercept is - 
D. vertex (3, -2); axis is x = 3;
no x-intercepts; y-intercept is -20
Answer: D
You might also like to view...
Solve the problem.For the study described below, identify the sample statistic.A manufacturer of light bulbs wants to determine the average lifetime of its 75-watt light bulbs. Among 120 randomly selected 75-watt light bulbs, the average lifetime was 1007 hours.
A. The 120 randomly selected 75-watt light bulbs B. 120, the number of light bulbs in the sample C. The average lifetime of all 75-watt light bulbs manufactured by the company D. The average lifetime of the 120 randomly selected 75-watt light bulbs
Solve the problem.The cost C of producing t units is given by C(t) = 3t2 + 8t, and the revenue R generated from selling t units is given by 
For what values of t will there be a profit?
A. There will be a profit when more than 9 units are sold. B. There will be a profit when more than 7 units are sold. C. There will be a profit when more than 8 units are sold D. There will be a profit when 0 units are sold.
Simplify.(2a)4
A. 8a4 B. 16a4 C. 16a D. 8a
Expand the expression using the Binomial Theorem.(x2 + 5)4
A. x8 + 20x6 + 250x4 + 500x2 + 625 B. x8 + 20x6 + 150x4 + 500x2 + 625 C. x4 + 20x3 + 150x2 + 500x + 625 D. x8 + 20x7 + 150x6 + 500x5 + 625