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Section 1 - Lines and Linear Functions (Edition 1)


 

Category 1 Example 1 - no calculation required

The slope and the y-coordinate of the y-intercept are given (a point with x = 0 is the y-intercept). Match them to the answer choices given as y = mx + b equation.


Category 1 Example 3 - no calculation required

The slope can be determined from the graph as rise/run. The y-intercept can be directly read from the graph. Match them to the answer choices given as y = mx + b equation.


 

Category 2 Example 1 - mental math

It can be read from the equation as C/B.


Category 2 Example 2 - mental math

The slope can be determined from the graph as rise/run. Match this with -A/B in each answer choice and eliminate the answer choices where the slope does not match.

The y-intercept can be read from the graph. Match it with C/B in the remaining answer choices.


 

Category 7 Example 1 - no calculation required

Use the transformation rule given in Key Points for left shift and match it with the answer choices.

Category 7 Example 2 - no calculation required

Match the reflected graph based on the transformation rule given in Key Points.

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