Quiz about Solve With Imaginary Solutions

Question 1

If the graph of a quadratic does not touch the x-axis at any point, then it has:

Accepted Answer

No Real Solution / Imaginary solutions

Answer

1 Real Solution

Answer

2 Real Solutions

Answer

Half a Solution

Question 2

Will the following equation have an IMAGINARY answer
11x²-9x+3=0

Accepted Answer

yes

Answer

no

Question 3

Solve: $$x^2=-100$$

Accepted Answer

x = 10i, -10i

Answer

$$x\ =\ \sqrt[]{-100}$$

Answer

x = 10, -10

Answer

$$x\ =\ \sqrt[]{10},\ -\sqrt[]{10}$$

Question 4

Question 4.

Accepted Answer

10i

Answer

10

Answer

-10

Answer

-10i

Question 5

Question 5.

Accepted Answer

i

Answer

-1

Answer

1

Answer

-i

Question 6

Question 6.

Accepted Answer

10i

Answer

10

Answer

-10

Answer

-10i

Question 7

Question 7.

Accepted Answer

-5

Answer

5i

Answer

-5i

Answer

5+i

Question 8

What letter usually represent imaginary number?

Accepted Answer

i

Answer

a

Answer

j

Answer

x

Answer

e

Question 9

Solve: $$x^2+25\ =\ 0$$

Accepted Answer

x = 5i, -5i

Answer

x = 5, -5

Answer

$$x\ =\ \sqrt[]{-25}$$

Answer

$$x\ =\ \sqrt[]{5},\ -\sqrt[]{5}$$

Question 10

Solve: $$x^2-50\ =\ 2x^2$$

Accepted Answer

$$x\ =\ 5\sqrt[]{2}i,\ -5\sqrt[]{2}i$$

Answer

$$x=\sqrt[]{5}i,\ -\sqrt[]{5}i$$

Answer

$$x\ =\ \sqrt[]{-50}$$

Answer

x = 5i, -5i

Question 11

Solve: $$x^2-49\ =\ 8x^2$$

Accepted Answer

$$x=\sqrt[]{7}i,\ -\sqrt[]{7}i$$

Answer

$$x\ =\ \sqrt[]{-49}$$

Answer

x = 7i, -7i

Answer

$$x\ =\ \sqrt[]{\frac{49}{8}}i,\ -\sqrt[]{\frac{49}{8}}i$$

Question 12

If the discriminant is negative, you will have....

Accepted Answer

two imaginary solutions

Answer

two real solutions

Answer

two irrational solutions

Answer

one solution

Question 13

Question 13.

Accepted Answer

3, -1/5

Answer

4,1/8

Answer

5,2

Answer

3,0

Question 14

Question 14.

Accepted Answer

-3/8,-7

Answer

4, -5/3

Answer

2/3, 6

Answer

4/7,6

Question 15

Question 15.

Accepted Answer

1/5,3/7

Answer

4,-1

Answer

8/3,9/5

Answer

7,-2

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics