$\text { Find the slope of the line } x + 3 y = 15 \text {. }$
A) $\frac { 1 } { 3 }$
B) $- \frac { 1 } { 5 }$
C) $\frac { 1 } { 5 }$
D) $- \frac { 1 } { 15 }$
E) $- \frac { 1 } { 3 }$

Question

$\text { Find the slope of the line } x + 3 y = 15 \text {. }$ 
A) $\frac { 1 } { 3 }$
B) $- \frac { 1 } { 5 }$
C) $\frac { 1 } { 5 }$
D) $- \frac { 1 } { 15 }$
E) $- \frac { 1 } { 3 }$

Quizplus · Accepted Answer

To find the slope of the line given by the equation $x + 3y = 15$, we first solve for $y$ in terms of $x$. Subtracting $x$ from both sides gives $3y = -x + 15$, and then dividing by 3 gives $y = -\frac{1}{3}x + 5$. The coefficient of $x$ in this equation, $-\frac{1}{3}$, is the slope of the line.

Find the slope of the line x+3y=15. \text { Find the slope of the line } x + 3 y = 15 \text {. } Find the slope of the line x+3y=15.

$\text { Find the slope of the line } x + 3 y = 15 \text {. }$