y = x - 5
y = x + 3
y = x + 5
y = 2x + 3
y = 2x - 3
Correct answer is C
The points P(-2, 3) and Q(2, 7) are on the line.
Gradient of the line = 7−32−(−2)
= 44
= 1
y = x + b
To find the intercept, we have
7 = 2 + b or 3 = -2 + b.
Solving for b, we get b = 5.
∴ The line is y = x + 5.
Rationalize \frac{5\sqrt{7} - 7\sqrt{5}}{\sqrt{7} - \sqrt{5}} ...
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