Lines — Quiz 2

Questions in this quiz (8)

1. Line m has an equation of $$y=-2x+4$$. If line n is parallel to line m and line n has the points $$(1,6)$$ and $$(4,k)$$, what is the value of $$k$$?

   • 4
   • 1
   • 0
   • 2

2. What is the slope of a line parallel to the line $$5x - 7y = 4$$?

   • $$\frac{-4}{7}$$
   • $$\frac{4}{7}$$
   • $$\frac{5}{7}$$
   • -5

3. At what point does the line $$4x + 5y = 20$$ intersect the $$x$$-axis?

   • $$(4, 0)$$
   • $$(0, 5)$$
   • $$(5, 0)$$
   • $$(0, 4)$$

4. For all $$c \ne 0$$, what is the slope of the line passing through the points $$(3c, d)$$ and $$(-c, d)$$ in the usual $$(x, y)$$ coordinate plane?

   • 3
   • -1
   • 1
   • 0

5. Which of the following best describes the graph of the line $$y = -4x + 9$$?

   • A horizontal line
   • A line that increases from left to right
   • A line that decreases from left to right
   • A line that decreases from right to left

6. Which of the following represents the equation of the line with an $$x$$-intercept of 3 and a $$y$$-intercept of 4?

   • $$y - 4 = -3(x - 3)$$
   • $$y - 4 = -\frac{4}{3}(x - 3)$$
   • $$y - 3 = -4(x - 3)$$
   • $$y - 3 = -\frac{3}{4}(x - 4)$$

7. Find where the lines $$x=-2$$ and $$y=4$$ intersect, if at all.

   • $$(-2, -4)$$
   • $$(-2, 4)$$
   • $$(4, -2)$$
   • $$(2, 4)$$

8. Check whether the point $$(1,3)$$ lies on the line $$y = 5x - 2$$.

   • Yes
   • No
   • Undefined
   • Not enough information