Quiz about Slope-Intercept Form: Part II

Question 1

Mr. Brown asked his students to write an equation that represents a line with a positive slope and a negative y-intercept. Circle the name of any student who correctly completed the task.

Accepted Answer

Aaliyah

$$y=4x-7$$

Accepted Answer

Penny

$$y\ =\ \frac{4}{5}x-20$$

Answer

Ezra

$$y=-5x+2.5$$

Answer

Jacoby

$$y\ =\ -3x-11$$

Question 2

Robert pays for his family to go to the arcade. He pays an entrance fee for his group and an additional amount per game that his family plays as shown in the graph. Use the graph to answer the next several questions.

Write an equation to represent the relationhsip between x, the number of games, and y, the total cost.

Accepted Answer

The slope is $$\frac{3}{4}$$ ; the arcade charges $3 for every 4 games played, or $0.75 per game.

Answer

The slope is $$\frac{4}{3}$$ ; the arcade charges $4 for every 3 games played, or $1.33 per game.

Answer

The slope is $$\frac{3}{4}$$ ; that is the initial value of the entrance fee, $0.75

Answer

The slope is $$\frac{4}{3}$$ ; the entrance fee is $1.33

Question 3

A hiker hikes at a steady rate throughout the day on a mountain. Which student wrote a correct equation to represent the linear relationship shown on the table between x, the number of hours hiked and y, the current altitude of the climber?

Accepted Answer

Julia

$$y=-125x+5,775$$

Answer

Mateo

$$y=125x+5,775$$

Answer

Oliver

$$y\ =-125x+5,650$$

Question 4

Write the inequality in slope-intercept form:
-10x + 2y > 14

Accepted Answer

y > 5x + 7

Answer

y < 10x + 12

Answer

y > 10x + 7

Answer

y < 5x + 7

Question 5

Question 5.

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 6

Select the correct graph for each inequality.

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Question 7

Which point below is NOT a part of the solution set?

Accepted Answer

(5, 10)

Answer

(0, 0)

Answer

(0, 1)

Answer

(-100, -3)

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