Quadratic Equations

Quadratic Equations

9th Grade

20 Qs

quiz-placeholder

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Quadratic Equations

Quadratic Equations

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Easy

CCSS
HSA-REI.B.4B, HSF-IF.C.7A

Standards-aligned

Created by

Anthony Clark

Used 1+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the standard form of a quadratic equation?

ax^2 + bx = c

ax^2 + bx + c = 0

ax + bx + c = 0

ax^2 + c = bx

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the discriminant of a quadratic equation used for?

Determining the nature of the roots of a quadratic equation.

Calculating the vertex of a quadratic equation

Solving for the y-intercept of a quadratic equation

Determining the slope of a quadratic equation

Tags

CCSS.HSA-REI.B.4B

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the formula to find the roots of a quadratic equation?

x = (-b ± √(b^2 - 4ac)) * 2a

x = (-b ± √(b^2 - 4ac)) / 2a

x = (-b ± √(b^2 + 4ac)) / 2a

x = (b ± √(b^2 - 4ac)) / 2a

Tags

CCSS.HSA-REI.B.4B

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the vertex form of a quadratic equation?

y = a(x+h)^2 - k

y = a(x-h)^2 + k

y = a(x-h)^2 - k

y = a(x+h)^2 + k

5.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Media Image

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

x = 0.5

x = 1.5

x = 1

x = 8

x = 6

6.

LABELLING QUESTION

1 min • 1 pt

Label these parts of the Quadratic Formula

a
b

Plus or Minus

Discriminant

7.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Media Image

What are the solutions to the quadratic equation?

x = -4

x = 1

x = -1

x = 2

x = 4

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