# math

If the cards contain the following equations, what is the probability that a student will graph a line whose slope is 3?

3y = 9x + 3
x(x + 3) = 0
3x + y = 0
x = 3y
x2 + 3 = 0
y - 3x = 0

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2. 👎 0
3. 👁 131
1. 3Y = 9X + 3.
Y = 3X + 1.
m = 3.

y - 3x = 0,
-3x + y = 0,
m = -A/B = 3/1 = 3.

Prob. = 2/6 = 1/3.

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2. 👎 0
posted by Henry

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