Question

Find the midpoint between two points on a number line if one of the points is at -7, and the other point is at 12.

5
9.5
2.5
-2

Answer 1

M = midpoint
x_1 and x_2 = the two points (numbers) on the number line
\[M = \frac{ x_1 + x_2 }{ 2 }\]

Answer 2

Do you understand the formula?

Answer 3

@ltj12345.

Answer 4

yes

Answer 5

So plug in the variables and then solve it. Tell me the answer once you get it so that I can confirm it with you.

Answer 6

ok

Answer 7

5

Answer 8

Let's check :
\[M = \frac{ x_1 + x_2 }{ 2 } = \frac{ -7 + 12 }{ 2 } = \frac{ 5 }{ 2 } = 2.5\]

Answer 9

There might've been something wrong when you figured out 5. Did you catch your mistake?

Answer 10

yes

Answer 11

So your answer is 2.5 .

Answer 12

thanks

Answer 13

Great job!

Answer 14

You're welcome :)