Question 1

Find the number of solutions of the equation $$9x^2-12x + 4 = 0$$ by using the discriminant.

Accepted Answer

One real solution

Answer

two real solutions

Answer

no real solutions

Answer

Three real solution

Question 2

If the discriminant in positive, then the solution will be

Accepted Answer

two real solutions

Answer

one imaginary solution

Answer

One real solution

Answer

No real solution

Question 3

A function has a discriminant of 25. How many solutions does it have?

Accepted Answer

2

Answer

1

Answer

5

Answer

0

Question 4

What is the discriminant and how many solutions would this quadratic have? $$3x^2 + 3x + 4 = - 3$$

Accepted Answer

- 75, No solution

Answer

- 75, two solutions

Answer

- 39, No solution

Answer

- 39, one solution

Question 5

If the discriminant is zero you will have

Accepted Answer

1 real solution

Answer

one imaginary solution

Answer

two real solutions

Answer

No real solution

Question 6

How many solutions will the equation $$x^2-12x = - 4$$ have?

Accepted Answer

2

Answer

1

Answer

none

Answer

3

Question 7

When in standard form, what is the value of a, b, and c in this quadratic? $$7x^2 -4x+3 = 5x^2+ 8$$

Accepted Answer

a = 2    b = - 4    c = - 5

Answer

a = 2    b = - 4    c = 5

Answer

a = 12   b = - 4    c = - 5

Answer

a = 7    b = - 4    c = 3

Question 8

Determine the number of solutions using the discriminant $$x^2-11x+28=0$$

Accepted Answer

two solutions - discriminant is positive

Answer

No real solutions - discriminant is negative

Answer

Why is Mrs. Brown making us work today?

Answer

One solution - discriminant is zero

Question 9

What is the discriminant of $$6x^2-2x-3=0$$?

Accepted Answer

76

Answer

none of these

Answer

68

Answer

29

Question 10

What is the formula for the discriminant?

Accepted Answer

$$b^2-4ac$$

Answer

$$x = [ \,-b\pm\sqrt(b^2-4ac)] \,/ 2a $$

Answer

$$a^2+ b^2 = c^2$$

Answer

x = - b/2a

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