Lesson Worksheet: Solving Linear Equations Using Function Graphs Mathematics • 9th Grade
In this worksheet, we will practice solving linear equations using function graphs and verifying the answer algebraically.
Q3:
Consider the equation . In the following, find a solution by filling the blank space.
.
- A
- B
- C
- D
- E
.
- A
- B
- C
- D
- E
.
- A
- B
- C
- D
- E
These solutions can be plotted as seen in the figure. What will be true of any other solution plotted in the plane?
- AThey will lie on the .
- BThey will lie on the line.
- CThey will not lie in the same quadrant.
- DThey will lie in the same quadrant.
- EThey will not lie on the line.
Q5:
Consider the equation . In the following, find a solution by filling the blank space.
.
- A
- B
- C
- D
- E
.
- A
- B
- C
- D
- E
.
- A
- B
- C
- D
- E
These solutions can be plotted as seen in the figure. What will be true of any other solution plotted in the plane?
- AThey will lie in the same quadrant.
- BThey will lie on the -axis.
- CThey will lie on the line.
- DThey will not lie on the line.
- EThey will not lie in the same quadrant.
Q9:
Let’s consider the equation .
David says that to solve this equation graphically, one has to graph the function . Isabella says that she can solve it graphically without rearranging the equation in the form but by graphing the function . Who is correct?
- ANeither of them are correct.
- BBoth of them are correct.
- COnly David
- DOnly Isabella
Without doing any calculation, solve the equation graphically.
- A
- B
- C
- D
- E
Q10:
Consider the function . Use its given graph to solve the equation .
- A
- B
- C
- D
- E
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