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Mathematics

9th - 12th Grade

CCSS covered

Difference Quotient
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6 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Find the difference quotient of

f(x)=x2−5xf\left(x\right)=x^2-5x  

2x+h

2x+h-5

h-5

2x+5

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Choose which of the following is the correct way to start the first step of the difference quotient to 
g(x)=4x2−2xg\left(x\right)=4x^2-2x  

4(x+h)2−2(x+h)−(4x2−2x)h\frac{4\left(x+h\right)^2-2\left(x+h\right)-\left(4x^2-2x\right)}{h}  

4(x+h)2−2xh\frac{4\left(x+h\right)^2-2x}{h}  

4(x+h)2−(4x2−2x)h\frac{4\left(x+h\right)^2-\left(4x^2-2x\right)}{h}  

4(x+h)2−2(x+h)h\frac{4\left(x+h\right)^2-2\left(x+h\right)}{h}  

Tags

CCSS.HSA.REI.A.1

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Choose which of the following is the correct way to start the first step of the difference quotient to 
h(x)=1x−2h\left(x\right)=\frac{1}{x-2}  

1(x+h)−2−1x−2h\frac{\frac{1}{\left(x+h\right)-2}-\frac{1}{x-2}}{h}  

1(x+h)−2−1x−2\frac{1}{\left(x+h\right)-2}-\frac{1}{x-2}  

[(x+h)−2]−(x−2)h\frac{\left[\left(x+h\right)-2\right]-\left(x-2\right)}{h}  

1(x+h)−2h\frac{\frac{1}{\left(x+h\right)-2}}{h}  

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

4.

MATH RESPONSE QUESTION

2 mins • 1 pt

Expand (x+h)2\left(x+h\right)^2

don't kill the butterfly

x2+2xh+h2x^2+2xh+h^2

Mathematical Equivalence

ON

Tags

CCSS.HSA.APR.C.5

5.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

If f(x)=3x-8; what is f(x+h) ?

Write the answer without parentheses.

(a)  

Tags

CCSS.HSF.IF.A.2

6.

MATH RESPONSE QUESTION

2 mins • 1 pt

If f(x)=x−5f\left(x\right)=\sqrt[]{x-5}

find

f(x+h)−f(x)h\frac{f\left(x+h\right)-f\left(x\right)}{h}

x+h−5−x−5h\frac{\sqrt{x+h-5}-\sqrt{x-5}}{h}

Mathematical Equivalence

OFF

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