posted by .

In class we learnt operation with radicals

how would you answer a question like this

determine the length of the line segment from A(-2,7), to B (4,1)?

• Math( help please ! ) -

length of line = √[ (4+2)^2 + (1-7)^2]
= √(36+36)
= √72 = √36√2
= 6√2

• Math( help please ! ) -

Thank you so much !!!

Similar Questions

1. Geometry question

On a number line, the coordinates of A, B, C, and D are -5, -2, 0, and 3 respectively. How do I find the length of each segment?
2. Geometry

Yes, I'm this desperate. I just have problems with coming up with the statements for two column proofs. Answers would be appreciated. Given: line segment AX congruent to line segment DX, line segment XB is congruent to XC. Prove: Line …
3. Math

In class we started operation with radicals how would you answer a question like this determine the length of the line segment from A(-2,7), to B (4,1)?
4. geometry

How would you write that line segment PK has equal length with line segment OQ?
5. maths

the line passes through the points s(6,6) and T(0,-2) determine the gradient of the line the equation of the line the midpoint of the line segment,TS the length of the line segment,TS
6. Pre-Calculus

Hi! I have three questions that I need checked over just to make sure I understand it. Thanks! :) 1.) What is the slope of the line that passes through (5, 8) and (-2, 6)?