Graph y=2x+3 Pls give me an explanation while u answer
1 answer:
Functions like these are just mattress of plugging in.
Graph: y = 2x+3
Let's just take five numbers: -2, -1, 0, 1, 2
Make a table like the disclosed image, but replace the function at the top-middle with:
y = 2x + 3
Go through each equation by replacing the 'x' in each equation with the given number.
Example:
Number: -2
Function: y = 2x + 3
Plug-in: y = 2(-2) + 3
Simplify: y = -4 + 3
Simplify: y = -1
Repeat this with -1, 0, 1, and 2 to draw the function.
I also recommend the FREE app Desmos, which acts as a grading calculator
Graph: y = 2x+3
Let's just take five numbers: -2, -1, 0, 1, 2
Make a table like the disclosed image, but replace the function at the top-middle with:
y = 2x + 3
Go through each equation by replacing the 'x' in each equation with the given number.
Example:
Number: -2
Function: y = 2x + 3
Plug-in: y = 2(-2) + 3
Simplify: y = -4 + 3
Simplify: y = -1
Repeat this with -1, 0, 1, and 2 to draw the function.
I also recommend the FREE app Desmos, which acts as a grading calculator
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The answer is C (-1,-4)
I got the answer by graphing the equation and plotting each the points down to see which one lies on the graph
I got the answer by graphing the equation and plotting each the points down to see which one lies on the graph