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Lesson 35: Locating and Using Intercepts — Practice Questions

  1. 1. What is the x-intercept of the line given by the equation $3x + 4y = 24$? The x-intercept is ___.

  2. 2. Find the y-intercept of the linear equation $5x - 2y = 20$. The y-intercept is ___.

  3. 3. What are the x- and y-intercepts of the line given by the equation $6x + 5y = 30$?

    • A. $x$-intercept: 5, $y$-intercept: 6
    • B. $x$-intercept: 6, $y$-intercept: 5
    • C. $x$-intercept: 3, $y$-intercept: 2
    • D. $x$-intercept: -5, $y$-intercept: -6
  4. 4. To find the point where a line's graph crosses the vertical y-axis, which is the correct procedure?

    • A. Set $x = 0$ in the equation and solve for $y$.
    • B. Set $y = 0$ in the equation and solve for $x$.
    • C. Set $x = 1$ in the equation and solve for $y$.
    • D. Set $y = x$ in the equation and solve.
  5. 5. What are the x- and y-intercepts of the equation $x - 4y = 8$?

    • A. $x$-intercept: 8, $y$-intercept: -2
    • B. $x$-intercept: -2, $y$-intercept: 8
    • C. $x$-intercept: 8, $y$-intercept: 2
    • D. $x$-intercept: 4, $y$-intercept: -1
  6. 6. To find the x-intercept for the linear equation $3x + 5y = 15$, you set $y=0$. What is the value of $x$ at this point? The x-intercept is (___, 0).

  7. 7. What is the y-intercept of the line given by the equation $6x - 2y = 18$? The y-intercept is at the point (0, ___).

  8. 8. To graph the equation $2x + 9y = 18$ using intercepts, which two points should be plotted on the axes?

    • A. $(9, 0)$ and $(0, 2)$
    • B. $(0, 9)$ and $(2, 0)$
    • C. $(2, 0)$ and $(0, 9)$
    • D. $(18, 0)$ and $(0, 18)$
  9. 9. When finding the y-intercept of a linear equation, what value is always substituted for $x$?

    • A. 0
    • B. 1
    • C. The value of y
    • D. The coefficient of x
  10. 10. A line is graphed by plotting its intercepts at $(5, 0)$ and $(0, -2)$ and drawing a line through them. Which of the following equations represents this line?

    • A. 2x + 5y = 10
    • B. 5x + 2y = 25
    • C. 2x - 5y = 10
    • D. 5x - 2y = 10