Algebraic Models and Functions

Which value of x makes the equation true?

5x = 3(1-5x)

• $x=\frac{3}{20}$

• $x=\frac{20}{3}$

• $x=\frac{5}{8}$

• $x=\frac{1}{16}$

What is the solution to -3(x+3)=-6x+15

Tags

CCSS.8.EE.C.7B

 $\frac{1}{2}\left(2n-4\right)=\frac{1}{3}\left(6n+15\right)$ 
 What value of n makes the equation true?

• 7

• -7

• -3.5

• 3.5

Tags

CCSS.8.EE.C.7B

 $14+v\ge3\left(-2+2v\right)$  

Which inequality describes all the solutions?

•  $v\le16$  

•  $v\ge16$  

•  $v\le4$  

•  $v\ge4$  

 $4+6c<-8c-10$  

What is the solution set

•  $c<-14$  

•  $c>-14$  

•  $c>-1$  

•  $c<-1$  

 $g\left(x\right)=x^2-4x$  which statement is true? 

•  $g\left(-5\right)=30$  

•  $g\left(-6\right)=60$  

•  $g\left(-7\right)=70$  

•  $g\left(0\right)=-15$  

Tags

CCSS.HSF.IF.A.2

A bakery has prepared 280 ounces of cookie dough. A machine will cut the dough into 7-ounce chunks and abke each section into a cookie. The amount of dough left is determined by the function f(m) = -7m+280. How many ounces of dough are left after 30 minutes?

Tags

CCSS.HSF.LE.B.5

Which statement best represents the domain of the part shown?

• All real numbers greater than 0

• All real numbers greater than -2

• All real numbers greater than or equal to 0

• All real numbers greater than or equal to -2

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Which of the following is the RANGE for this graph?

•  $1<x<9$  

•  $1\le y\le6$  

•  $\left\{2,3,5,7,9\right\}$  

•  $\left\{1,3,4,5,6\right\}$  

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5