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On a piece of paper, graph y=x^2-3x-10 and identify the y-intercept. Then determine which answer choice matches the graph that you drew and correctly identifies the y-intercept.

On A Piece Of Paper Graph Yx23x10 And Identify The Yintercept Then Determine Which Answer Choice Matches The Graph That You Drew And Correctly Identifies The Yi class=

Sagot :

Step 1

Given;

[tex]y=x^2-3x-10[/tex]

Required; To graph the function

Step 2

Graph the function.

[tex]\begin{gathered} We\text{ use the points} \\ (-2,0),(5,0),(0,-10),(1.5,-12.25) \end{gathered}[/tex]

The point at which the graph cut the y-axis is the y-intercept.

[tex]\begin{gathered} The\text{ y-intercept in \lparen x,y\rparen is; \lparen0,-10\rparen} \\ \end{gathered}[/tex]

The y-intercept occurs at y=-10

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