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Illustrating Quadratic Equations

Authored by Manelyn Sobremonte-Nuas

Mathematics

9th Grade

CCSS covered

Used 718+ times

Illustrating Quadratic Equations
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

It is a polynomial equation of degree two that can be written in the form

ax2 + bx + c = 0, where a, b, and c are real numbers and a ≠ 0.

Linear Equation

Linear Inequality

Quadratic Equation

Quadratic Inequality

Tags

CCSS.8.EE.C.7B

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which of the following is a quadratic equation?

 3s2+s43s^2+s–4  

 m28m1=0m^2–8m–1=0  

 2x1=52x–1=5  


 5y2+4y75y^2+4y\ge7  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the quadratic equation 2x2 – 9x – 5 = 0, which is the quadratic term?

2x2

x2

– 9x

– 5

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the quadratic equation 2x2 – 9x – 5 = 0, which is the linear term?

2x2

x2

– 9x

a. – 5

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the quadratic equation 2x2 – 9x – 5 = 0, which is the constant term?

2x2

x2

– 9x

– 5

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Solve by factoring: x2-6x+9=0

x=3

x=-3

x=-4, x=-2

Not factorable

Tags

CCSS.HSA-REI.B.4B

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Solve by extracting the roots:

4m2 = 100

m=25, -25

m=96

m=-96

m=5, -5

Tags

CCSS.HSA-REI.B.4B

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