Slope-Intercept Form of a Line

Question 1

Which graph represents the function y = x – 2?

Revolt · Accepted Answer

Option C

Question 2

A function f(x) is graphed. What is the slope of the function? m = What is the y-intercept of the function? b = Which equation represents the graph of the function?

Revolt · Accepted Answer

Selection 1: 2; Selection 2: 1; Selection 3: y = 2x + 1

Question 3

Which function can represent the height, y, of the railing in inches according to the horizontal distance in inches, x, from the top of the stairs?

Revolt · Accepted Answer

y = –x + 36

Question 4

When Janelle woke up, it was –3 degrees Fahrenheit outside. As the morning progressed, the temperature rose 2 degrees every hour.Which line on the graph could represent this scenario?

Revolt · Accepted Answer

g(x)

Question 5

Which statements represent the function of the yearly cost in dollars, y, based on x, the number of game tokens purchased for a member of the arcade? Select three answers.

Revolt · Accepted Answer

The y-intercept of the function is $60.; The function can be represented by the equation y = x + 60.; The range is {y| y ≥ 60}.

Question 6

Which equation represents the yearly cost for a nonmember at the same video game arcade based on the total number of game tokens purchased in a year?

Revolt · Accepted Answer

y = x

Question 7

The yearly cost in dollars, y, at a video game arcade based on total game tokens purchased, x, is y = x + 60 for a member and y = x for a nonmember. Explain how the graph of a nonmember’s yearly cost will differ from the graph of a member’s yearly cost.

Revolt · Accepted Answer

The graph of a nonmember’s yearly cost will be steeper, but start lower than the graph of a member’s yearly cost.

Question 8

What did you include in your response? Check all that apply.

Revolt · Accepted Answer

The graph of a nonmember’s yearly cost is steeper.

Question 9

Consider the graph of the linear function h(x) = –6 + x. Which quadrant will the graph not go through and why?

Revolt · Accepted Answer

Quadrant II, because the slope is positive and the y-intercept is negative

Slope-Intercept Form of a Line Answers

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