x1:y1 = x2:y2 4:-2 = x2:5 x2 = (4*5)/-2 x2 = -10
x2 23x equals 0
x2 − 36y2
if c = x2 then cx2 = x4
x2≤64
x2 + x2 = 2x2
18x80
x1:y1 = x2:y2 4:-2 = x2:5 x2 = (4*5)/-2 x2 = -10
x2 23x equals 0
It equals x2 - 34
x2 = 6482 = 64x = 8
x2 − 36y2
if c = x2 then cx2 = x4
x2≤64
if x2 + 7 = 37, then x2 = 29 and x = ±√29
x: x2 - 81 = 0
The domain of y = x2 is [0,+infinity]