Lines — Quiz 1

Questions in this quiz (8)

1. How many points are needed to determine a line?

   • 1
   • 2
   • Infinite points
   • 3

2. Determine the slope of a vertical line.

   • 0
   • 1
   • -1
   • Undefined

3. A line has an x-intercept of 6 and a y-intercept of -3. What is the equation of this line?

   • $$x-2y=6$$
   • $$2y=x+6$$
   • $$3x-2y=6$$
   • $$y=3x$$

4. A line graphed in the $$xy$$-coordinate plane passes through the point $$(4,5)$$ and has a slope of $$\frac{3}{4}$$. What is the $$y$$-intercept of this line?

   • 5
   • 4
   • 3
   • 2

5. A line on the $$xy$$-coordinate plane passes through the point $$(5,7)$$ and the origin. What is the equation of the line?

   • $$y = \frac{5}{7}x+1$$
   • $$y = \frac{7}{5}x$$
   • $$y = \frac{5}{7}x$$
   • $$y = \frac{1}{5}x+7$$

6. Which of the following lines is parallel to the line in the equation $$3x-2y=7$$?

   • $$-2x+3y=1$$
   • $$2x+3y=1$$
   • $$-3x+3y=1$$
   • $$-3x+2y=1$$

7. A bookstore starts the year with 120 books in stock and receives 5 new books each month. If the number of books is written in slope-intercept form as the y-value, with the number of months after the beginning of the year as the x-value, what would the slope and y-intercept of the function be?

   • Slope: $$60$$, y-intercept: $$5$$
   • Slope: $$5$$, y-intercept: $$120$$
   • Slope: $$60$$, y-intercept: $$3$$
   • Slope: $$5$$, y-intercept: $$60$$

8. At what point does $$5x + 3y = 15$$ intersect the $$y$$-axis in the standard $$(x, y)$$ coordinate plane?

   • $$(0, 3)$$
   • $$(0, 5)$$
   • $$(3, 0)$$
   • $$(3, 5)$$