Math

QuestionFind the slope and yy-intercept of the line given by 2x+5y=5-2x + 5y = -5, then graph the line.

Studdy Solution

STEP 1

Assumptions1. The equation of the line is given as x+5y=5-x +5y = -5. . We need to find the slope and the y-intercept of the line.
3. The equation of a line can be written in the slope-intercept form, y=mx+by = mx + b, where mm is the slope and bb is the y-intercept.

STEP 2

First, we need to rewrite the given equation in the slope-intercept form. We can do this by isolating yy on one side of the equation.
2x+5y=5-2x +5y = -55y=2x55y =2x -5

STEP 3

Now, divide every term by5 to solve for yy.
y=25x1y = \frac{2}{5}x -1

STEP 4

Now that we have the equation in slope-intercept form, we can identify the slope and the y-intercept.The slope mm is the coefficient of xx, and the y-intercept bb is the constant term.
In our equation, y=2x1y = \frac{2}{}x -1, the slope mm is 2\frac{2}{} and the y-intercept bb is 1-1.

STEP 5

To graph the line, we first plot the y-intercept on the y-axis. The y-intercept is 1-1, so we plot a point at (0,1)(0, -1).

STEP 6

The slope is 25\frac{2}{5}, which means that for every5 units we move to the right on the x-axis, we move2 units up on the y-axis. Starting from the y-intercept, we can use the slope to find another point on the line.If we move5 units to the right from (0,1)(0, -1), we arrive at (5,1)(5, -1). From here, we move2 units up to get to the point (5,1)(5,1).

STEP 7

Now that we have two points, (0,1)(0, -1) and (5,1)(5,1), we can draw a line through these points to graph the line.
The slope of the line is 25\frac{2}{5} and the y-intercept is 1-1.

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