Equations of Lines in Coordinate Geometry

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Show your work for each problem.

1.
What is the slope in the equation ?
1. a)
2. b)
3. c)
4. d)
2.
What is the y-intercept in the equation ?
3.
Which equation represents a line with slope and y-intercept ?
1. a)
2. b)
3. c)
4. d)
4.
Calculate the slope of the line passing through and .
5.
What form is the equation ?
1. a)Quadratic form
2. b)Slope-intercept form
3. c)Point-slope form
4. d)Standard form
6.
Write the equation of a line passing through with slope . Express in slope-intercept form.
7.
Calculate the slope of the line passing through and .
8.
Convert to standard form.
1. a)
2. b)
3. c)
4. d)
9.
Find the equation of the line through and .
10.
A line has equation . At what x-value does it cross the x-axis?
11.
Convert to slope-intercept form.
12.
Find the equation of the line through and .
13.
Which line is parallel to ?
1. a)
2. b)
3. c)
4. d)
14.
A line passes through and is perpendicular to . What is the slope of this line?
15.
A phone plan costs 15 euros per month plus 0.10 euros per minute. Write the equation and find the cost for 200 minutes.
16.
The line passes through which point?
1. a)
2. b)
3. c)
4. d)