Quiz about Quadratics - 1

Question 1

Evaluate the quadratic expression by substituting the given x value.

$$x^2+3\ \left(x=3\right)$$

Accepted Answer

12

Answer

3

Answer

6

Answer

9

Question 2

Evaluate the quadratic expression by substituting the given x value.

$$x^2-5\ \left(x=2\right)$$

Accepted Answer

-1

Answer

-3

Answer

7

Answer

9

Question 3

Evaluate the quadratic expression by substituting the given x value.

$$x^2-3\ \left(x=-2\right)$$

Accepted Answer

1

Answer

-7

Answer

-1

Answer

5

Question 4

Evaluate the quadratic expression by substituting the given x value.

$$x^2+x\ \left(x=7\right)$$

Accepted Answer

56

Answer

14

Answer

21

Answer

49

Question 5

Evaluate the quadratic expression by substituting the given x value.

$$x^2+x\ \left(x=-3\right)$$

Accepted Answer

6

Answer

-12

Answer

-6

Answer

12

Question 6

Evaluate the quadratic expression by substituting the given x value.

$$x^2+3x\ -1\left(x=3\right)$$

Accepted Answer

17

Answer

8

Answer

11

Answer

19

Question 7

Evaluate the quadratic expression by substituting the given x value.

$$x^2-4x\ +6\left(x=-2\right)$$

Accepted Answer

18

Answer

-6

Answer

10

Answer

2

Question 8

Evaluate the quadratic expression by substituting the given x value.

$$4x\ -3x^2\left(x=5\right)$$

Accepted Answer

-55

Answer

-205

Answer

-5

Answer

95

Question 9

Decide if the following equations are quadratics equations.

$$x+1=0$$

Accepted Answer

Not a quadratic

Answer

Quadratic

Question 10

Decide if the following equations are quadratics equations.

$$1-2x=0$$

Accepted Answer

Not a quadratic

Answer

Quadratic

Question 11

Decide if the following equations are quadratics equations.

$$x^2-2x=0$$

Accepted Answer

Quadratic

Answer

Not a quadratic

Question 12

Decide if the following equations are quadratics equations.

$$x^2+3x-12=0$$

Accepted Answer

Quadratic

Answer

Not a quadratic

Question 13

Decide if the following equations are quadratics equations.

$$x^2-8x=3$$

Accepted Answer

Quadratic

Answer

Not a quadratic

Question 14

Decide if the following equations are quadratics equations.

$$x^2=3+5x$$

Accepted Answer

Quadratic

Answer

Not a quadratic

Question 15

Decide if the following equations are quadratics equations.

$$x^3-3x+5=0$$

Accepted Answer

Not a quadratic

Answer

Quadratic

Question 16

Decide if the following equations are quadratics equations.

$$x^3+2x^2=5$$

Accepted Answer

Not a quadratic

Answer

Quadratic

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