X^2 + Y^2 =70
Y = 2X + 5
MY ANSWER: -5.6, 1.6 is this correct?
x^2 + (2x+5)^2 = 70
5x^2 + 20x - 45 = 0
x^2 + 4x - 9 = 0
x = (-4 ± √52)/2
= -2 ± √13
= -5.6, 1.6
we have a winner!
Y = 2X + 5
MY ANSWER: -5.6, 1.6 is this correct?
5x^2 + 20x - 45 = 0
x^2 + 4x - 9 = 0
x = (-4 ± √52)/2
= -2 ± √13
= -5.6, 1.6
we have a winner!