GED Math : GED Math

Study concepts, example questions & explanations for GED Math

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Example Questions

Example Question #45 : Finding Slope And Intercepts

The point  appears on a line with slope . What is the  intercept of the line?

Possible Answers:

Correct answer:

Explanation:

For this problem you are given two values, the coordinates of a point, and the slope. The missing value is the  intercept. You therefore need to plug in what you know to the slope-intercept equation -  - and solve for what you don't know.  is the  coordinate of your point,  is the slope,  is the  coordinate of your point, and  is the  intercept. So, you know , and  and you need to solve for .

Once you plug in  for  for , and  for , you get , which simplifies to . After you subtract the  from both sides of the equation, you find out that . Therefore, your  intercept is .

Example Question #841 : Ged Math

Find the y-intercept of the following linear equation:

Possible Answers:

Correct answer:

Explanation:

Find the y-intercept of the following linear equation:

The y intercept is where a line crosses the y-axis. At this point, our x value must be 0.

To find our y intercept, we simply need to plug in 0 for x and solve for y.

So, our answer is:

Example Question #282 : Algebra

Find the slope of the following linear equation:

Possible Answers:

Correct answer:

Explanation:

Find the slope of the following linear equation:

We can find the slope by solving this equation for y.

First, add 48 to both sides

Next, divide both sides by 4

Now, our slope is simply the number attached to our x variable. In this case, it is 4

 

 

Example Question #281 : Algebra

Find the x-intercept of the following linear equation:

Possible Answers:

Correct answer:

Explanation:

Find the x-intercept of the following linear equation:

The x-intercept is where a line crosses the x axis. At the x-intercept the y value must be equal to 0.

To find our x-intercept, we are going to plug in 0 for y and solve.

Next, divide by 16.

So as an ordered pair, our answer is:

Example Question #41 : Finding Slope And Intercepts

A line on the coordinate plane has slope . Give the slope of a line parallel to this line.

Possible Answers:

Correct answer:

Explanation:

Two parallel lines have the same slope, or are both vertical. Since the first line has slope , a line parallel to this line must have slope also.

Example Question #844 : Ged Math

What is the y-intercept of a line that has a slope of  and passes through the point ?

Possible Answers:

Correct answer:

Explanation:

Recall what the slope-intercept form of an equation looks like:

Start by writing the equation in point-slope form:

Simplify this equation and re-write it into slope-intercept form.

Since the value of  is , the y-intercept is located at .

Example Question #51 : Finding Slope And Intercepts

What is the y-intercept of the equation that has a slope of  and passes through the point ?

Possible Answers:

Correct answer:

Explanation:

Recall the point-slope form of the equation of a line:

, where  is the slope, and  is the given point.

Put the given line into point-slope form.

Rearrange the equation so that it is in slope-intercept form.

Since , the y-intercept must be at .

Example Question #52 : Finding Slope And Intercepts

What is the y-intercept for the line that goes through the point  and has a slope of ?

Possible Answers:

Correct answer:

Explanation:

Start by writing out the equation of the line in point-slope form.

Rearrange the equation into slope-intercept form.

Now, since , the line's y-intercept must be located at .

Example Question #53 : Finding Slope And Intercepts

Where do the following equations intercept?

Possible Answers:

Correct answer:

Explanation:

If we want to find where the equations intercept, you need to set them equal to each other. So, 

becomes,

Subtract 1 from both sides to get the variable by itself,

Divide both sides by 3,

gives us our final answer of

Example Question #54 : Finding Slope And Intercepts

Find the slope between  and .

Possible Answers:

Correct answer:

Explanation:

Step 1: Recall the formula to find slope:

Step 2: Find the values of  .

According to the problem: 

Step 3: Plug in...

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