Accelerated 8 2 Feb

Accelerated 8

February 2, 2021

Multiple Choice

In which table is y a function of x?

Multiple Choice

Which relation below is NOT a function?

Multiple Choice

Does the table represent a function?

• Yes, the outputs are all different.

• Yes, each input had exactly one corresponding output.

• No, when graphed it would fail the vertical line test.

• No, two of the inputs have the same corresponding output.

Multiple Choice

Quiz 15 Review Question: Go look up what you answered, keep it the same if it was correct. 

Raphael compared function W,   $y=2x+8$  , to function Z, a linear function, shown in the table. Which statement is true?

• The y-intercept of function W is 1 unit larger than the y-interceot of function Z.

• The y-intercept of function Z is 1 unit larger than the y-interceot of function W.

• The y-intercept of function W is 5 units larger than the y-interceot of function Z.

• The y-intercept of function Z is 5 units larger than the y-interceot of function W.

Multiple Choice

Quiz 15 Review Question: Go look up what you answered, keep it the same if it was correct. 

Which expression is equivalent to:

 $\left(3x^2y^{-4}r^3\right)^2\left(2xy^3r^5\right)^3$  

•  $6x^3y^{-1}r^{13}$  

•  $6x^8y^4r^{90}$  

•  $72x^2y^{-72}r^8$  

•  $72x^7yr^{21}$  

Multiple Choice

Quiz 15 Review Question: Go look up what you answered, keep it the same if it was correct. 

Which graph displays the solution to the system of equations shown?

 $2x+y=-2$  
 $x+y=2$  

Multiple Choice

Quiz 15 Review Question: Go look up what you answered, keep it the same if it was correct. 

A school sells child and adult tickets to a play. The school sells a total of 65 tickets and collect a total of $382.50. The price of each child ticket is $4.50, and the price of each adult ticket is $6.50. Which system of equations can be used to determine the number of child tickets, x, and the number of adult tickets, y, they sold?

• $6.50x+4.50y=65$
  $x+y=382.50$
  

• $4.50x+6.50y=65$
  $x+y=382.50$
  

• $6.50x+4.50y=382.50$ $x+y=65$

• $4.50x+6.50y=382.50$ $x+y=65$

Multiple Choice

Quiz 15 Review Question: Go look up what you answered, keep it the same if it was correct. 

Coach Walker's cheerleading team needs to raise money to pay for the entry fees to the state competition. There is a $99 team fee plus an individual fee for each cheerleader. Coach Walker found out that individual fees for her 18 cheerleaders will cost a total of $818.82. Which inequality can be used to find m, the least amount of money each cheerleader needs to raise in order to pay for both the team and individual entry fees?

• $99m-18\ge818.82$

• $99m-18\le818.82$

• $18m-99\ge818.82$

• $18m-99\le818.82$