Graphing Calculator
Steps for Graphing Calculator
Step 1 :
Choose different values for "x" zero and solve for y to get different coordinates.
Step 2 :
Mark all the coordinates in the graph and join it.
Examples on Graphing Calculator
1
Graph y = 3x + 5
Step 1 :
Given equation: y = 3x + 5
At x = 0
=> y = 3x + 5
=> y = 3(0) + 5
=> y = 5
At x = 1
=> y = 3x + 5
=> y = 3(1) + 5
=> y = 3 + 5
=> y = 8
At x = -2
=> y = 3(-2) + 5


=> y = -6 + 5
Learn More about Solve Math Problems
=> y = -1

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2.
Graph y= 2x2 - 6x + 4
Step 1 :
Given equation: y= 2x2 - 6x + 4
At x = 0
=> y = 2x2 - 6x + 4
=> y= 2(0)2 - 6(0) + 4
=> y= 4
At x = 1
=> y= 2x2 - 6x + 4
=> y= 2(1)2 - 6(1) + 4
=> y= 0
At x = -1
=> y= 2(-1)2 - 6(-1) + 4
=> y= 2 + 6 + 4
=> y = 12
At x= 2
=> y= 2(2)2 - 6(2) + 4
=> y= 8 - 12 + 4
=> y = 0
So, the coordinates are: (0, 4), (1, 0), (-1, 12) and (2, 0)
Step 2 :
Graphing parabola equation
Answer :
Graph is shown in step2.
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