Give three ordered pairs from the table x y 2 -5 -1 7 3 -9 5 -17 6 -21

Anytime you want to make an ordered pair, the x comes first, followed by the y. The format is (x, y). You can pick any x you want but the y must match the x. In the table, if you take x = 2, you have to take its matching y of y = -5. Repeat this left to right matching for as many pairs as you want.

Thus three ordered pairs are (2, -5) and (-1, 7) and (3, -9).

7,24

step-by-step explanation:

< xcy ≅ < xby

step-by-step explanation:

in δcax and δbax,

so, δcax ≅ δbax (side-angle-side or sas)

since δcax ≅ δbax, we can conclude < acx ≅ < abx

in δacy and δaby,

so, δacy ≅ δaby (side-angle-side or sas)

since δacy ≅ δaby, we can conclude < acy ≅ < aby

now,

< acy ≅ < aby

=> < acx + < xcy ≅ < abx + < xby

=> < acx + < xcy ≅ < acx + < xby   (since < acx ≅ < abx already proved above)

subtracting < acx from both sides, we get

< acx + < xcy -< acx ≅ < acx + < xby -< acx

cancelling out < acx and -< acx from both sides, we get

< xcy ≅ < xby (proved)