Question 1

What are the roots of $$2x^2$$-50= 0?

Accepted Answer

$$\pm5$$

Answer

$$\pm3$$

Answer

$$\pm6$$

Answer

$$\pm4$$

Question 2

How many real roots does $$\sqrt -16$$ have?

Accepted Answer

no real roots

Answer

one real root

Answer

zero

Answer

two real roots

Question 3

Solve for x: $$3x^2$$ = 48

Accepted Answer

x=$$\pm4$$

Answer

$$\sqrt16$$

Answer

x=$$\pm12$$

Answer

x=$$\pm16$$

Question 4

Solve for x: $$16x^2-9=0$$

Accepted Answer

$$x =\pm\frac {3}{4}$$

Answer

$$x =\pm\frac {9}{16}$$

Answer

x = 1.3333

Answer

$$x =\pm\frac {4}{3}$$

Question 5

Solve  for $$x: 5(x-3)^2+1= 81$$

Accepted Answer

x = -1, 7

Answer

x = 3, 10

Answer

$$x = \pm9$$

Answer

x = -7, 1

Question 6

Extract $$(2x -1)^2 = 225$$

Accepted Answer

x = 8, - 7

Answer

x = 8, 7

Answer

x = - 8, - 7

Answer

x = - 8, 7

Question 7

Solve for x: $$(x-4)^2 + 8 = 33$$

Accepted Answer

x = - 1, 9

Answer

x = - 9, 1

Answer

x = - 11, - 3

Answer

x = 3, 11

Question 8

What is another word for zeros?

Accepted Answer

roots

Answer

axis of symmetry

Answer

y intercepts

Answer

vertex

Question 9

Which of the following quadratic equations has two real roots?

Accepted Answer

$$x^2- 16 = 0	$$

Answer

$$x^2+ 3 = 3$$

Answer

$4x^2+ 2 = 2	$$

Answer

$$x^2+ 16 = 0$$

Question 10

In $$3h^2-147 = 0$$ find for the roots

Accepted Answer

0, 7

Answer

-7, - 7

Answer

+ 7, + 7

Answer

$$\pm7$$

Related quizzes

Related quizzes