Slope-Intercept Form of a Line

Question 1

The slope of the line is .

Revolt · Accepted Answer

7/3

Question 2

The y-intercept is at .

Revolt · Accepted Answer

–3

Question 3

The graph represents the function .

Revolt · Accepted Answer

g(x) = (7/3)x–3

Question 4

A class of 24 students is planning a field trip to a science museum. A nonrefundable deposit of $50 is required for the day-long program, plus a charge of $4.50 per student.Determine a linear function that models the cost, c, and the number of students, s.Which statements about the linear function and its graph are correct? Check all that apply.The linear model is f(s) = 4.5s + 50.The linear model is f(c) = 54.5c + 24.The domain is {x| 0 ≤ x ≤ 24}. The range is {y| 50 ≤ y ≤ 158}. The graph is continuous.

Revolt · Accepted Answer

The linear model is f(s) = 4.5s + 50.; The domain is {x| 0 ≤ x ≤ 24}.; The range is {y| 50 ≤ y ≤ 158}.

Question 5

As the value of m changes from 1 to 3, the graph .

Revolt · Accepted Answer

gets steeper

Question 6

Consider the graph of the linear function h(x) = –x + 5. Which could you change to move the graph down 3 units?

Revolt · Accepted Answer

the value of b to 2

Question 7

As the value of m changes from –6 to –1, the graph .

Revolt · Accepted Answer

gets less steep

Question 8

If the value of m is negative, the slope of the line is .

Revolt · Accepted Answer

negative

Question 9

Use the slider to change the value of b. Which statement is true?

Revolt · Accepted Answer

If the value of b is increased from 0, the graph moves up.

Question 10

Which point lies on the graph of the line?

Revolt · Accepted Answer

(–4, 2)

Slope-Intercept Form of a Line Answers

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