Find a value of k such that kx2 + 12x - 4 = 0 has one real-number solution. Explain. A. 6; the equation of the discriminant is 12(2) – 4k(4) = 0.
O
B. -9; the equation of the discriminant is 122 - 4k(-4) = 0.
O C. 36; the equation of the discriminant is 122 - 4k = 0.
O
D. 9; the equation of the discriminant is 122 - 4k(4) = 0.

What is x and y intercepts for y=x+7

Find the solution(s) to x^2-14+49=0

The equation shown below represents function f. f(x)= -2x+5 the graph shown below represents function g. which of the following statements is true? a. over the interval [2, 4], the average rate of change of f is the same as the average rate of change of g. the y-intercept of function f is less than the y-intercept of function g. b. over the interval [2, 4], the average rate of change of f is greater than the average rate of change of g. the y-intercept of function f is greater than the y-intercept of function g. c. over the interval [2, 4], the average rate of change of f is the same as the average rate of change of g. the y-intercept of function f is greater than the y-intercept of function g. d. over the interval [2, 4], the average rate of change of f is less than the average rate of change of g. the y-intercept of function f is the same as the y-intercept of function g.