Changing Slope And Intercepts Practice
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1
2Wennersten’s Algebra I Pre-AP
Name:_____________________Pd:____
Name:_____________________Pd:____
A.6.C investigate, describe, and predict the effects of changes in
A.6.C investigate, describe, and predict the effects of changes in m and b on the graph of y =
= mx + b; Readiness
Standard
A.6.F interpret and predict the effects of changing slope and y
A.6.F interpret and predict the effects of changing slope and y-intercept in applied situations;
intercept in applied situations; Readiness Standard
1) What are the slope and the y-intercept for the equation
intercept for the equation
2
1?
2) Graph the equation.
3) Change the slope to 1/2 and graph in a new
to 1/2 and graph in a new color and label
Circle the correct answer:
The graph became more/less steep.
The graph became more/less steep.
The y-intercept did/did not change.
intercept did/did not change.
The x-intercept did/did not change.
intercept did/did not change.
The graph did/did not change directions from up to down.
The graph did/did not change directions from up to down.
4) Change the slope to 3 and graph in a new color
in a new color and label
The graph became more/less steep.
The graph became more/less steep.
The y-intercept did/did not change.
intercept did/did not change.
The x-intercept did/did not change.
intercept did/did not change.
The graph did/did not change directions from up to down.
The graph did/did not change directions from up to down.
5) Chan nge the slope to -1 and graph in a new color and label
in a new color and label
The graph became more/less steep.
ore/less steep.
The y-intercept did/did not change.
intercept did/did not change.
The x-intercept did/did not change.
intercept did/did not change.
The graph did/did not change directions from up to down.
The graph did/did not change directions from up to down.
6) If the slope increases what happens to the graph? What happens to the graph if the slope decreases?
6) If the slope increases what happens to the graph? What happens to the graph if the slope decreases?
6) If the slope increases what happens to the graph? What happens to the graph if the slope decreases?
(explain what changes, how it changes, and what stays the same)
explain what changes, how it changes, and what stays the same)
7) What are the slope and the y-intercept for the equation
intercept for the equation
2?
8) Graph the equation.
9) Change the y-intercept to -3 and graph in a new color and label
3 and graph in a new color and label
Circle the correct answer:
The graph became more/less steep.
graph became more/less steep.
The y-intercept did/did not change.
intercept did/did not change.
The x-intercept did/did not change.
intercept did/did not change.
The graph did/did not change directions from up to down.
The graph did/did not change directions from up to down.
10) Change the y-intercept to 4 and graph
and graph in a new color and label
The graph became more/less steep.
eep.
The y-intercept did/did not change.
intercept did/did not change.
The x-intercept did/did not change.
intercept did/did not change.
The graph did/did not change directions from up to down.
The graph did/did not change directions from up to down.
11) Change the y-intercept to 0 and graph
and graph in a new color and label
The graph became more/less steep.
The graph became more/less steep.
The y-intercept did/did not change.
did/did not change.
The x-intercept did/did not change.
intercept did/did not change.
The graph did/did not change directions from up to down.
The graph did/did not change directions from up to down.
12) What happens to the graph if the y-intercept changes?
intercept changes?
(explain what changes, how it changes, and what stays the same)
(explain what changes, how it changes, and what stays the same)
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