📈 Linear Relations & Graphing

Questions in this quiz

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1. Question 1

   A table shows the relationship between hours worked and money earned. If the table has $(x, y)$ pairs $(1, 15)$, $(2, 30)$, and $(3, 45)$, what does the $y$-intercept represent in the context of this problem?

2. Question 2

   Which of the following equations represents a linear relation?

3. Question 3

   The slope of a line tells us how steep the line is and in which direction it goes.

4. Question 4

   A table shows $(0, 7)$, $(1, 10)$, $(2, 13)$, and $(3, 16)$. What is the slope of the line represented by this table?

5. Question 5

   What is the $y$-intercept of the equation $y = -4x + 9$?

6. Question 6

   If a line passes through the points $(1, 4)$ and $(3, 10)$, what is the slope of the line?

7. Question 7

   A horizontal line has a slope of zero.

8. Question 8

   Which graph best represents the equation $y = -2x + 6$?

9. Question 9

   A table of values shows $x$ and $y$ coordinates. When you plot these points on a graph and they form a straight line, what does this tell you about the relationship?

10. Question 10

    Using the linear equation $y = 3x + 2$, what value of $y$ corresponds to $x = 4$?

11. Question 11

    The slope of a line can be negative.

12. Question 12

    A table shows the relationship between the number of items purchased and the total cost. If each item costs the same amount and there is no shipping fee, what will the $y$-intercept of the linear equation be?

13. Question 13

    Which statement correctly connects a table, graph, and equation for a linear relation?

14. Question 14

    A line passes through the point $(2, 5)$ and has a slope of $4$. What is the equation of the line in the form $y = mx + b$?

15. Question 15

    If you want to predict a $y$ value for an $x$ value between two known points, what is this process called?

16. Question 16

    The $x$-intercept of a line is the point where the line crosses the $x$-axis, which occurs when $y = 0$.

17. Question 17

    A car rental company charges a base fee of \50$and$$0.25$per kilometre driven. Which equation represents the total cost$C$as a function of kilometres driven$k$?