Quiz about Quadratic Equations Label

Question 1

Select all equations that have two solutions.

Accepted Answer

Accepted Answer

$$x^2-1=24$$

Accepted Answer

$$\left(x+8\right)\left(x-8\right)=0$$

Answer

Answer

$$x^2=-16$$

Question 2

Which statement is true about the solutions to the equation $$x^2+4x+5=0$$ ?

Accepted Answer

The equation has no solutions.

Answer

The equation has one solution: 5.

Answer

The equation has two solutions: -2 and 0.

Answer

The equation has infinitely many solutions.

Question 3

What is the quadratic formula used for?

Accepted Answer

To find the solutions or roots of a quadratic equation.

Answer

To find the sum of two numbers.

Answer

To calculate the area of a triangle.

Answer

To determine the slope of a line.

Question 4

What are the solutions to the quadratic equation?

Accepted Answer

x = -4

Accepted Answer

x = 1

Answer

x = -1

Answer

x = 2

Answer

x = 4

Question 5

Select the solutions to the equation

4x² + 11x + 7 = 0

Accepted Answer

x = - 1.75

Accepted Answer

x = - 1

Answer

x = 6

Answer

x = 1

Question 6

What are the solutions for this quadratic equation?

Accepted Answer

-4 and 0

Answer

4 and 0

Answer

-2 and 4

Answer

-2 and -4

Question 7

The quadratic function y = -2x² + 4x + 6 is pictured. What are the solutions to the equation 7.5 = -2x² + 4x + 6?

Accepted Answer

x = 0.5

Accepted Answer

x = 1.5

Answer

x = 1

Answer

x = 8

Answer

x = 6

Question 8

The graph of a quadratic functions is called:

Accepted Answer

parabola

Answer

line

Answer

half oval

Answer

vertex form

Question 9

The equation is written in ______ form:

$$y=x^2+2x+8$$

Accepted Answer

standard form

Answer

vertex form

Answer

factored form

Answer

zero form

Question 10

Will the parabola open up or down?

$$y=x^2-2x+8$$

Accepted Answer

Up

Answer

Down

Question 11

What is the y-intercept of the parabola?

$$y=x^2+2x+8$$

Accepted Answer

(0, 8)

Answer

(0, -8)

Answer

(8, 0)

Answer

(-8, 0)

Question 12

The equation is written in ___ form:

$$y=-2x^2+x+10$$

Accepted Answer

standard form

Answer

vertex form

Answer

factored form

Answer

zero form

Question 13

The y-intercept of the parabola is at ____.

$$y=-2x^2+x+10$$

Accepted Answer

(0, 10)

Answer

(10, 0)

Answer

(-10, 0)

Answer

(0, 10)-

Question 14

The equation is written in ___ form:

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

Accepted Answer

vertex form

Answer

standard form

Answer

factored form

Answer

zero form

Question 15

The vertex of the parabola is at ___.

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

Accepted Answer

(1, 3)

Answer

(-1, 3)

Answer

(-1, -3)

Answer

(1, -3)

Quadratic Equations Label

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