Pergunta
40 Line u has an equation of y+6=(3)/(2)(x-6) Line v is perpendicular to line u and passes through (2,-1) What is the equation of line v? (1) Write the equation in slope-intercept form Write the numbers in the equation as simplified proper fractions,improper fractions, or integers. square
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Inês MariaEspecialista · Tutor por 3 anos
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To find the equation of line v, we first need to find the slope of line u. We can do this by rearranging the equation of line u into slope-intercept form (y = mx + b), where m is the slope.<br /><br />Given: $y + 6 = \frac{3}{2}(x - 6)$<br /><br />Step 1: Distribute the $\frac{3}{2}$ on the right side of the equation:<br />$y + 6 = \frac{3}{2}x - 9$<br /><br />Step 2: Subtract 6 from both sides to isolate y:<br />$y = \frac{3}{2}x - 15$<br /><br />Now we have the equation of line u in slope-intercept form: $y = \frac{3}{2}x - 15$. The slope of line u is $\frac{3}{2}$.<br /><br />Since line v is perpendicular to line u, the slope of line v will be the negative reciprocal of the slope of line u. Therefore, the slope of line v is $-\frac{2}{3}$.<br /><br />Step 3: Use the point-slope form of a linear equation to find the equation of line v. The point-slope form is given by: $y - y_1 = m(x - x_1)$, where $(x_1, y_1)$ is a point on the line and m is the slope.<br /><br />Given point: $(2, -1)$<br />Slope: $-\frac{2}{3}$<br /><br />Substitute these values into the point-slope form:<br />$y - (-1) = -\frac{2}{3}(x - 2)$<br /><br />Simplify:<br />$y + 1 = -\frac{2}{3}x + \frac{4}{3}$<br /><br />Step 4: Rearrange the equation into slope-intercept form:<br />$y = -\frac{2}{3}x + \frac{4}{3} - 1$<br /><br />Combine like terms:<br />$y = -\frac{2}{3}x + \frac{1}{3}$<br /><br />Therefore, the equation of line v in slope-intercept form is:<br />$y = -\frac{2}{3}x + \frac{1}{3}$
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