- If y varies directly as x and y = 3 when x = 10, find x when y = 8. 80
12
15
F
G
H
3
5
4
J none of these

Is the square root of 4 plus the square root of 16 rational?

Girardo is using the model below to solve the equation . girardo uses the following steps: step 1 add 4 negative x-tiles to both sides step 2 add 1 negative unit tile to both sides step 3 the solution is which step could be adjusted so that gerardo's final step results in a positive x-value? in step 1, he should have added 4 positive x-tiles to both sides. in step 1, he should have added 3 negative x-tiles to both sides. in step 2, he should have added 4 negative unit tiles to both sides. in step 2, he should have added 1 positive unit tile to both sides.

Use the elimination method to solve the systems of equations. choose the correct ordered pair. 7x+4y=39