# Write an equation in point slope form answer

You can get the same answer either way, so use whichever method works more comfortably for you. Andre wants to buy an MP3 player.

### Calculator answer

Andre wants to buy an MP3 player. If that works better for you, then use that method instead. Remember, the y in this equation represents the amount Andre has saved, and the x represents the number of months he has been saving. Remember, the point slope form is. So, unless your text or teacher specifies the method or format to use, you can and should! We can use that to figure out how long it will take him to save all the money he needs to buy the MP3 player. You can get the same answer either way, so use whichever method works more comfortably for you. I've already answered this one, but let's look at the process.

Remember, the y in this equation represents the amount Andre has saved, and the x represents the number of months he has been saving.

Then click "Answer" to compare your answer to Mathway's. So, unless your text or teacher specifies the method or format to use, you can and should!

## Equation of a line

The answer is to identify what you know and what you want to find out, and see which form uses those terms. Affiliate In the worked examples in the next section , I'll use the point-slope formula, because that's the way I was taught and that's what most books want. Remember, the y in this equation represents the amount Andre has saved, and the x represents the number of months he has been saving. Okay, now what? Try the entered exercise, or type in your own exercise. This means the rate of change, or slope, is This shows that it really doesn't matter which method you use unless the text or teacher specifies. You can use the Mathway widget below to practice finding a line equation from two points. But with so many choices, how do we decide which form to use in a real-life situation?

But my experience has been that many students prefer to plug the slope and a point into the slope-intercept form of the line, and solve for b. Please accept "preferences" cookies in order to enable this widget.

Okay, now what? But with so many choices, how do we decide which form to use in a real-life situation? This will help us to figure out when he will have saved up enough to buy the MP3 player.

### Slope intercept form

The answer is to identify what you know and what you want to find out, and see which form uses those terms. I should get the same result; namely: Given two points, I can always find the slope: Then I can use either point as my x1, y1 , along with this slope I've just calculated, and plug these values into the point-slope form. You can find the straight-line equation using the point-slope form if they just give you a couple points: Find the equation of the line that passes through the points —2, 4 and 1, 2. So we know the line passes through the point 1, We want to find what the value of x is when y equals Please accept "preferences" cookies in order to enable this widget. This means the rate of change, or slope, is Or skip the widget and continue with the lesson. So we just need to set y equal to in our equation, and solve for x. Remember, the y in this equation represents the amount Andre has saved, and the x represents the number of months he has been saving.

You can find the straight-line equation using the point-slope form if they just give you a couple points: Find the equation of the line that passes through the points —2, 4 and 1, 2. If that works better for you, then use that method instead.

I should get the same result; namely: Given two points, I can always find the slope: Then I can use either point as my x1, y1along with this slope I've just calculated, and plug these values into the point-slope form.

## Point slope formula

Remember, the y in this equation represents the amount Andre has saved, and the x represents the number of months he has been saving. The answer is to identify what you know and what you want to find out, and see which form uses those terms. We can use that to figure out how long it will take him to save all the money he needs to buy the MP3 player. Please accept "preferences" cookies in order to enable this widget. You can find the straight-line equation using the point-slope form if they just give you a couple points: Find the equation of the line that passes through the points —2, 4 and 1, 2. Remember, the point slope form is. I should get the same result; namely: Given two points, I can always find the slope: Then I can use either point as my x1, y1 , along with this slope I've just calculated, and plug these values into the point-slope form. Try the entered exercise, or type in your own exercise. We want to find what the value of x is when y equals This means the rate of change, or slope, is Or skip the widget and continue with the lesson. Content Continues Below You can use the Mathway widget below to practice finding a line equation using the point-slope formula. Okay, now what? Affiliate In the worked examples in the next section , I'll use the point-slope formula, because that's the way I was taught and that's what most books want. Andre wants to buy an MP3 player.

This equation is now in standard form.

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