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8.4.15 Practice

Last updated over 1 year ago

10 questions

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Question 1

1.

Kiran and his cousin work during the summer for a landscaping company. Kiran's cousin has been working for the company longer, so his pay is 30% more than Kiran's. Last week his cousin worked 27 hours, and Kiran worked 23 hours.
Together, they earned $493.85.
What is KIRAN's hourly pay? (Round to the nearest cent)

Question 2

2.

Decide which story can be represented by the system of equations y=x+6 and x+y=100.

Lin and her younger cousin measure their heights. They notice that Lin is 6 inches taller, and their heights add up to exactly 100 inches.

Diego’s teacher writes a test worth 100 points. There are 6 more multiple choice questions than short answer questions.

Question 3

3.

Clare and Noah play a game in which they earn the same number of points for each goal and lose the same number of points for each penalty. Clare makes 6 goals and 3 penalties, ending the game with 6 points. Noah earns 8 goals and 9 penalties and ends the game with -22 points.
Write a system of equations that describes Clare and Noah's outcomes. Use x to represent the number of points for a goal and y to represent the number of points for a penalty.
TYPE YOUR EQUATION TO REPRESENT CLARE'S SITUATION

Question 4

4.

Clare and Noah play a game in which they earn the same number of points for each goal and lose the same number of points for each penalty. Clare makes 6 goals and 3 penalties, ending the game with 6 points. Noah earns 8 goals and 9 penalties and ends the game with -22 points.
Write a system of equations that describes Clare and Noah's outcomes. Use x to represent the number of points for a goal and y to represent the number of points for a penalty.
TYPE YOUR EQUATION TO REPRESENT NOAH'S SITUATION

Question 5

5.

Clare and Noah play a game in which they earn the same number of points for each goal and lose the same number of points for each penalty. Clare makes 6 goals and 3 penalties, ending the game with 6 points. Noah earns 8 goals and 9 penalties and ends the game with -22 points.
Solve the system. HOW MUCH WAS A GOAL WORTH?

Question 6

6.

Clare and Noah play a game in which they earn the same number of points for each goal and lose the same number of points for each penalty. Clare makes 6 goals and 3 penalties, ending the game with 6 points. Noah earns 8 goals and 9 penalties and ends the game with -22 points.
Solve the system. HOW MUCH WAS A PENALTY WORTH?

Question 7

7.

Type your answer as an ordered pair.

Question 8

8.

Write an equation for the system shown.
Type the equation that has a positive slope.

Question 9

9.

Write an equation for the system shown.
Type the equation that has a negative slope

Question 10

10.

Solve the system of equations. (You'll have to use substitution or elimination)
Type your answer as an ordered pair. Round your answer to the hundredths or thousandths place