Final Exam Semester 1 Practice

Which equation does not belong with the other three?

• $x+2=5$

• $\frac{x}{3}=1$

• $x-4=7$

• $4x=12$

Solve for d

 $-9d=72$  

• -8

• 8

• -648

• 81

 $\frac{4}{5}x=20$ 

Solve for x

• x=25

• x=20

• x=100

• x=80

A football costs $25. If sales tax is 7%, which equation can be used to find the amount of tax?

• $t=0.07\times25$

• $0.07t=25$

• $t=25+0.07$

• $t=\frac{25}{0.07}$

 $8x+3=27$  
Solve for x

• x=3

• x=-3

• x=3.75

• x=-3.75

 $3\left(x-2\right)+x=3\left(x-6\right)$  

Solve for x

• x=12

• x=-12

• x=24

• x=-24

Translate the equation 4x-5=3(x+2) into a verbal sentence.

• Four times the difference of x and five equals three times the sum of x and two.

• Four times x less than five is the same as three times x plus two

• The sum of four times x and five is three times the sum of x and two

• The difference of four times x and five is three times the sum of x and two

 $\frac{1}{4}\left(8x+24\right)=5x+3\left(x-6\right)$  

Solve for x

• x=6

• x=-6

• x=4.5

• x=-4.5

 $\left|4n+8\right|=16$  

Solve for n

• 2 and -6

• -2 and 6

• 8 and 6

• -8 and -6

 $Translate\ 5x+7\ge2$ into a verbal sentence

• Five times the sum of x and seven is greater than two. 

• Five times x, increased by seven, is less than or equal to two

• The product of five and x, increased by seven, is greater than or equal to two. 

• Seven more than the product of five and x is greater than two.