Complete the equation of the line through (2,-2) and (4,1).

The equation, in slope-intercept form, of the line that passes through points (2,-2) and (4,1), is: y = 3/2x - 5.

Recall:

Given:

(2,-2) and (4,1)

y - 1 = 3/2(x - 4)

y - 1 = 3/2(x) - 3/2(4)

y - 1 = 3/2x - 6

y = 3/2x - 6 + 1

y = 3/2x - 5

Therefore, the equation, in slope-intercept form, of the line that passes through points (2,-2) and (4,1), is: y = 3/2x - 5.

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36 girls

step-by-step explanation:

the 48 boys is 4 parts of the ratio

divide 48 by 4 to obtain one part of the ratio

= 12 ← 1 part of the ratio

3 parts = 3 × 12 = 36 ← number of girls