### Graphs Library

# Graphs Library

This library is for all the Q&A on Graphs. Here you can:

- View all the Graphs Q&A and comment on them
- Create & share your own Graphs Q&A page
- Submit a Graphs question & get an answer

List of Q&A

Click below to see others' Q&A...

**Finding the slope of the line: 8x + 3y = –9**

**Question** Find the slope of the following line: 8x + 3y = –9.
**Answer** STEP 1: The first step to find the slope of …

**Point on the Coordinate Plane **

**Question** Where is the point (-4, 1 / 2 ) located in the coordinate plane?
**Answer** The coordinates of a point is expressed in the form …

**Finding the slope and y-intercept**

**Question** How do I find the slope and y-intercept of y=x+6?
**Answer** To find the slope and y-intercept of this equation, we need to understand …

**Line with x-intercept or y-intercept or both**

**Question ** Does a line need to have both the x-intercept and y-intercept? Why?
**Answer ** This depends on how the line looks like. Now, …

**Find the x- and y- intercept of a linear equation**

**Question ** Find the x-intercept and the y-intercept of the line given by the equation 9x -6y +15 = 0.
**Answer ** This basic understanding …

**Find the slope of an equation of a line**

**Question** Find the slope of the line 4y -3x +3 = 0.
**Answer** To solve this question, we need to have some knowledge on the slope-intercept …

**Find the x-intercept and y-intercept**

**Question** Find the x- and y- intercepts of the line using these coordinates, (–2, –5) and (6, 1).
**Answer** STEP 1: …

**Interpreting the slope of a line before graphing** Not rated yet

**Question** How can you tell if two equations are parallel or intersecting before graphing them? For example, do y = x or y = x + 2 intersect?
…

**Basics on drawing a graph** Not rated yet

**Question** Draw a pair of axes from –10 to +10 **Answer** STEP 1: The two axes can be the vertical and horizontal axes. …

**Solve system of linear equations graphically** Not rated yet

**Question** Solve the following system of equations graphically: y=-x+4 and y=x-2
**Answer** STEP 1: The given equations …

**Find the equation of the line as described below** Not rated yet

**Question** Find the equation of the line passing through (–4, 6) and parallel to the line y = 3x + 8.
**Answer** STEP 1: …

**Effects of changing the slope and the y-intercept** Not rated yet

**Question** Using y = 3x + 1, find the equation of a second line by multiplying the slope by 2 and shifting the line down by 3 units.
**Answer** …

**Find an equation for a line given the slope and a point** Not rated yet

**Question** Find an equation for a line with a slope of 2/3 and passing through (1, –4).
**Answer** STEP 1: We are given …

**Using the slope formula to prove that a point is on the line AB ** Not rated yet

**Question** Prove that the straight line passing through A(2,3) and B(-4,-6) passes through the origin.
**Answer** Let's do a quick sketch …