Question

Really need help please! THX

4x2 + 9y2 = 72
x - y2 = -1

Select all of the following that are solutions to the system shown.

so is it (3, 2),(3, -2),(-3, 2),(-3, -2)

Answer 1

Is this a math question?

Answer 2

Is this 4x^2+9y^2=72 ??

Answer 3

yes

Answer 4

who is your answer for me or @mrdoldum

Answer 5

Start by multiplying the bottom one by 9 so that you can eliminate the y term.

Answer 6

9x-9y^2=-9

Answer 7

Added together and solve for x.

Answer 8

Once that is done return to either of the original equations and substance your known x value for the x in the equations and solve for y.