Answer:
2. y = 4x+7; y=-7x+5
Step-by-step explanation:
Answer:
Step-by-step explanation:
y = 0.2x + 17......the slope is 0.2 (or 1/5)....in y = mx + b form, the slope can be found in the m position
(x,18).....y = 18 (25,y).....x = 25
y = 0.2x + 17 y = 0.2x + 17
18 = 0.2x + 17 y = 0.2(25) + 17
18 - 17 = 0.2x y = 5 + 17
1 = 0.2x y = 22..........(25,22)
1 / 0.2 = x
5 = x.................(5,18)
That's what I got. to rationalize the numerator you have to multiply by the conjugate, in this case (√3 + 9) / (√3 + 9), which is what it looks like you did.
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