Solving Quadratic Equations

Solving Quadratic Equations

9th - 12th Grade

18 Qs

quiz-placeholder

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Solving Quadratic Equations

Solving Quadratic Equations

Assessment

Quiz

Mathematics

9th - 12th Grade

Medium

CCSS
HSA-REI.B.4B, HSA.APR.C.4, 8.EE.A.2

Standards-aligned

Created by

Janel Raquet

Used 1+ times

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18 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which is the standard form for a quadratic equation?

x=b±b24ac2ax=\frac{-b\pm\sqrt{b^2-4ac}}{2a}

ax2+bx+c=0ax^2+bx+c=0

y=a(xh)2+ky=a\left(x-h\right)^2+k

a2+b2=c2a^2+b^2=c^2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which is in the proper factored form to use the Zero Product Property ?

x2x=12x^2-x=12

x(x1)=12x\left(x-1\right)=12

(x4)(x+3)=1\left(x-4\right)\left(x+3\right)=1

(x4)(x+3)=0\left(x-4\right)\left(x+3\right)=0

Tags

CCSS.HSA-REI.B.4B

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Given this graph is the function of

 y=x22x8y=x^2-2x-8  , what is the solution to  x2=2x+8x^2=2x+8  ?

(1, 9)

x = {-2, 4}

(0, 8)

x = {5, 2}

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 7x2=6x17x^2=6x-1  

Given this quadratic equation, what could be the values a, b, and c to use in the quadratic formula?

 a = 7, b = 6, c = 1a\ =\ 7,\ b\ =\ -6,\ c\ =\ 1  

 a = 1, b = 6, c = 7a\ =\ 1,\ b\ =\ 6,\ c\ =\ -7  

 a = 7, b = 6, c = 1a\ =\ -7,\ b\ =\ 6,\ c\ =\ 1  

 a = 6, b = 7, c = 1a\ =\ 6,\ b\ =\ 7,\ c\ =\ 1  

Tags

CCSS.HSA-REI.B.4B

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 x27x=0x^2-7x=0  

Solve by the method of your choice.

x = 7 only

x = 0 only

x = 0 and 7

There is no real answer for this equation.

Tags

CCSS.HSA-REI.B.4B

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 2x2=8x+32x^2=8x+3 

 
 2x28x3=02x^2-8x-3=0  
 x=8±644(2)(3)4x=\frac{8\pm\sqrt{64-4\left(2\right)\left(-3\right)}}{4}  
 x=8±404x=\frac{8\pm\sqrt{40}}{4} 
 x=8±2104x=\frac{8\pm2\sqrt{10}}{4}  
 x=4±102x=\frac{4\pm\sqrt{10}}{2}  

Suzanne solved the equation using this process.

Did she make a mistake?

If yes, at which line did she make her first mistake?

(There are 5 steps in her process)

Suzanne made no errors.

Step 2

Step 3

Step 4

Step 5

Tags

CCSS.HSA-REI.B.4B

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image
What is this formula?
This is the speed of light formula.
This is the quadratic formula.
This is the zero product property.
This is scary.

Tags

CCSS.HSA-REI.B.4B

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