Use the discriminant of the equation to determine the number of x-intercepts.f(x) = -6x2 - 12x + 6
A. One x-intercept
B. No x-intercepts
C. Two x-intercepts
Answer: C
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Classify the angle.
A. Straight B. Acute C. Right D. Obtuse
You are given a graph of a function of the form f(x) = ax2 + bx + c for different values of a, b, and c. For this function,a. Determine whether the discriminant is positive, negative, or zero.b. Determine if there are 0, 1, or 2 real solutions to f(x) = 0.c. Solve the equation f(x) = 0.
A. a. negative b. 2 c. x = -1, x = -2 B. a. positive b. 2 c. x = 1, x = 2 C. a. zero b. 2 c. x = -1, x = 2 D. a. positive b. 2 c. x = -1, x = 2
Solve the application problem.Mari works in sales. Her annual income is $33,000 plus 19% commission of her sales. What are the independent and dependent variables in this relation? Is the relation a function?
A. independent: sales, dependent: annual income; no B. independent: annual income, dependent: sales; yes C. independent: sales, dependent: annual income; yes D. independent: annual income, dependent: sales; no
Simplify. Do not use negative exponents in your answer.y-7? y-2
A. 
B. y9
C. 
D. 