Algebra 1, Chapter 1 Study Quiz

Evaluate 2x + 5(y - 1) when x = 8 and y = 5

• 20

• 31

• 36

• -4

 $Evaluate\ 9-\left(\frac{8}{a}+3\right)\ for\ a\ =2$  

• 2

• 8

•  $7\frac{2}{5}$  

• -4

Evaluate the expression 

 $b^4\ -10b\ for\ b=3$  

• 213

• 6

• -18

• 51

 $Evaluate\ \frac{9x^2}{a}\ for\ a\ =\ 9\ and\ x\ =\ 3\$  

• 6

• 9

• 81

• 27

 $Evaluate\ 4c\ +\left(4d\ +3\right)^2\ for\ c=2\ and\ d=1$  

• 21

• 57

• 225

• 125

Which expression represents 10 times the sum of a number and 4.

• 10x + 4

• 10(x + 4)

• (x + 10) + 4

• 10(x² + 4)

Which expression represents twice the cube of a number, increased by 1.

• 2x(3) + 1

• 2x² + 1

• 2³ + x + 1

• 2x³ + 1

 $\frac{n}{7}\ =\ 32$  

Identify the correct verbal phrase that represents the equation.

• 7 divided by a number added to 32

• 7 divided by a number results in 32

• a number divided by 7 is equal to 32

• the product of a number and 7 is 32

If y represents a number, then write an

expression for nine less than one fourth of y.

• $y-\frac{9}{4}$

• $\frac{1}{4}y\ -\ 9$

• $\frac{1}{4}\left(y-9\right)$

• $\frac{1}{2}y\ -\ 9$

the difference between forty-six and a number

• 46-p
• p-46
• 46/p
• p+46