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)

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)

anonymous · Answer

Is this a math question?

anonymous · Answer

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

anonymous · Answer

yes

anonymous · Answer

who is your answer for me or @mrdoldum

anonymous · Answer

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

anonymous · Answer

9x-9y^2=-9

anonymous · Answer

Added together and solve for x.

anonymous · Answer

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.