Equations You Can See
Find the rule behind a table, then draw the same relation as a line.
7 questions, free, marked as you go with a worked explanation on every one.
What this covers
- solving linear equations
The questions
- Use the table. What would 6 shirts cost?
- Use the table. Which equation gives the cost C for n shirts?
- Graph the relation y = 3x - 2.
- A phone plan costs $10 a month plus $2 for each gigabyte used. Graph the cost against gigabytes used.
- Use the graph. At what value of x does the line cross the x-axis?
- Use the table. Which of these are true of the relation shown?
- Use the graph. What is the slope of the line drawn?