Algebraic Inverses

Algebraic Inverses

9th - 12th Grade

11 Qs

quiz-placeholder

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Algebraic Inverses

Algebraic Inverses

Assessment

Quiz

Mathematics

9th - 12th Grade

Medium

Created by

LINDSAY HOLMES

Used 33+ times

FREE Resource

11 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Select all the steps for finding an inverse.

Replace f(x) with y.

Switch x & y.

Solve for y.

Replace f(x) with x.

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 f(x)=x7f\left(x\right)=\sqrt{x-7}  Determine the inverse of

 y1=x2+7y^{-1}=x^2+7  

 y1=(x+7)2y^{-1}=\left(x+7\right)^2  

 y1=7±xy^{-1}=7\pm\sqrt{x}  

No Inverse exists

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 f(x)=2x3f\left(x\right)=2x-3  Determine the inverse.

 y1=12x32y^{-1}=\frac{1}{2}x-\frac{3}{2}  

 y1=12x+32y^{-1}=\frac{1}{2}x+\frac{3}{2}  

 y1=2x+3y^{-1}=2x+3  

 y1=12x+3y^{-1}=\frac{1}{2}x+3  

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 f(x)=x25f\left(x\right)=x^2-5  Determine the inverse.

 y1=±x5y^{-1}=\pm\sqrt{x-5}  

 y1=5±xy^{-1}=5\pm\sqrt{x}  

 y1=±x+5y^{-1}=\pm\sqrt{x+5}  

 y1=5±xy^{-1}=-5\pm\sqrt{x}  

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 f(x)=(x2)2f\left(x\right)=\left(x-2\right)^2  Determine the inverse.

 y1=2±xy^{-1}=2\pm\sqrt{x}  

 y1=2±xy^{-1}=-2\pm\sqrt{x}  

 y1=±x2y^{-1}=\pm\sqrt{x-2}  

 y1=±x+2y^{-1}=\pm\sqrt{x+2}  

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 f(x)=34xf\left(x\right)=3-4x  Determine the inverse.

 y1=14x3y^{-1}=\frac{1}{4}x-3  

 y1=14x+34y^{-1}=\frac{1}{4}x+\frac{3}{4}  

 y1=14x34y^{-1}=\frac{1}{4}x-\frac{3}{4}  

 y1=14x+34y^{-1}=-\frac{1}{4}x+\frac{3}{4}  

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 f(x)=3xf\left(x\right)=\sqrt{3x}  Determine the inverse.

 y1=3x2y^{-1}=3x^2  

 y1=3x2y^{-1}=\frac{3}{x^2}  

 y1=x23y^{-1}=\frac{x^2}{3}  

 y1=±3xy^{-1}=\pm\sqrt{3x}  

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