# Common Core: High School - Algebra : Use Graph Points to Approximate Solutions: CCSS.Math.Content.HSA-REI.D.11

## Example Questions

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### Example Question #1 : Use Graph Points To Approximate Solutions: Ccss.Math.Content.Hsa Rei.D.11

Where do the following equations intersect?

Explanation:

To figure out where these equations intersect, we need to set them equal to each other and solve for .

Now we simply plug this  value into one of the equations to get the  value.

### Example Question #1 : Use Graph Points To Approximate Solutions: Ccss.Math.Content.Hsa Rei.D.11

Where do the following equations intersect?

Explanation:

To figure out where these equations intersect, we need to set them equal to each other and solve for

Now we simply plug this  value into one of the equations to get the  value.

### Example Question #2 : Use Graph Points To Approximate Solutions: Ccss.Math.Content.Hsa Rei.D.11

Where do the following equations intersect?

Explanation:

To figure out where these equations intersect, we need to set them equal to each other and solve for

Subtract  from both sides:

Divide both sides by

Now plug this value into one of the equations to solve for the  value.

Multiply  by

Make fractions with common denominators:

### Example Question #4 : Use Graph Points To Approximate Solutions: Ccss.Math.Content.Hsa Rei.D.11

Where do the following equations intersect?

Explanation:

To figure out where these equations intersect, we need to set them equal to each other and solve for .

Now we subtract  from each side.

Now we add  to each side.

Now we divide by  on each side.

Now we simply plug this  value into one of the equations to get the  value.

### Example Question #5 : Use Graph Points To Approximate Solutions: Ccss.Math.Content.Hsa Rei.D.11

Where do the following equations intersect?

Explanation:

To figure out where these equations intersect, we need to set them equal to each other and solve for .

Now we add  to each side.

Now we subtract  from each side.

Now we divide by  on each side.

Now we simply plug this  value into one of the equations to get the  value.

### Example Question #3 : Use Graph Points To Approximate Solutions: Ccss.Math.Content.Hsa Rei.D.11

Where do the following equations intersect?

Explanation:

To figure out where these equations intersect, we need to set them equal to each other and solve for .

Now we subtract  from each side.

Now we subtract  from each side.

Now we divide by  on each side.

Now we simply plug this  value into one of the equations to get the  value.

### Example Question #7 : Use Graph Points To Approximate Solutions: Ccss.Math.Content.Hsa Rei.D.11

Where do the following equations intersect?

Explanation:

To figure out where these equations intersect, we need to set them equal to each other and solve for .

Now we add  to each side.

Now we add  to each side.

Now we divide by  on each side.

Now we simply plug this  value into one of the equations to get the  value.

### Example Question #8 : Use Graph Points To Approximate Solutions: Ccss.Math.Content.Hsa Rei.D.11

Where do the following equations intersect?

Explanation:

To figure out where these equations intersect, we need to set them equal to each other and solve for .

Now we subtract  from each side.

Now we add to each side.

Now we divide by  on each side.

Now we simply plug this  value into one of the equations to get the  value.

### Example Question #4 : Use Graph Points To Approximate Solutions: Ccss.Math.Content.Hsa Rei.D.11

Where do the following equations intersect?

Explanation:

To figure out where these equations intersect, we need to set them equal to each other and solve for .

Now we subtract  from each side.

Now we subtract  from each side.

Now we divide by  on each side.

Now we simply plug this  value into one of the equations to get the  value.

### Example Question #5 : Use Graph Points To Approximate Solutions: Ccss.Math.Content.Hsa Rei.D.11

Where do the following equations intersect?

Explanation:

To figure out where these equations intersect, we need to set them equal to each other and solve for .

Now we add  to each side.

Now we add  to each side.

Now we divide by  on each side.

Now we simply plug this  value into one of the equations to get the  value.

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