Concept explainers
Graph the equation
Answer to Problem 7QC
The equation is
Explanation of Solution
Given:
Jack has $100 to buy a game system. He plans to save $10 each week. Graph an equation to show the total amount T Jack will have in w weeks
The equation:
Concept Used:
Translate the statement into an equation.
Jack has $100 to buy a game system. He plans to save $10 each week. Graph an equation to show the total amount T Jack will have in w weeks.
The equation:
Calculation:
The equation:
Slope − intercept form of a straight line is y = mx + b
Where m is the slope of the line and b is the y − intercept.
The graph the equation
Step 1: mark 100 on y − axis, this is the y − intercept.
Step 2: Now find the x − intercept. Plug in y = 0 and solve for x.
Now mark the x and y − intercepts on the grid and join the points.
Slope − intercept form of a straight line is y = mx + b Where m is the slope of the line and b is the y − intercept. The graph is a straight line with a slope 10 and the y − intercept is 100 |
Thus, the equation is
Chapter 9 Solutions
Algebra 1
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