# Graph y=-7x+47 y=-7x+47
Use the slope-intercept form to find the slope and y-intercept.
The slope-intercept form is y=mx+b, where m is the slope and b is the y-intercept.
y=mx+b
Find the values of m and b using the form y=mx+b.
m=-7
b=47
The slope of the line is the value of m, and the y-intercept is the value of b.
Slope: -7
y-intercept: 47
Slope: -7
y-intercept: 47
Any line can be graphed using two points. Select two x values, and plug them into the equation to find the corresponding y values.
Choose 3 to substitute in for x to find the ordered pair.
Replace the variable x with 3 in the expression.
f(3)=-7⋅3+47
Simplify the result.
Multiply -7 by 3.
f(3)=-21+47
Add -21 and 47.
f(3)=26
The final answer is 26.
26
26
The y value at x=3 is 26.
y=26
y=26
Create a table of the x and y values.
xy326326
xy326326
Graph the line using the slope and the y-intercept, or the points.
Slope: -7
y-intercept: 47
xy326326
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