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# M113 - Module 2 - JS

### Module 2 Study Stack for MATH 113

Which of the following is written in <b>Standard Form</b>?<br> <br> A: y-y<sub>1</sub>=m(x-x<sub>1</sub>)<br> B: Ax+By=C<br> C: f(x)=mx+b<Br> B: Ax+By=C
Which of the following is written in <b>Point-Slope Form</b>?<br> <br> A: y-y<sub>1</sub>=m(x-x<sub>1</sub>)<br> B: Ax+By=C<br> C: f(x)=mx+b<Br> A: y-y<sub>1</sub>=m(x-x<sub>1</sub>)
Which of the following is written in <b>Function Notation</b>?<br> <br> A: y-y<sub>1</sub>=m(x-x<sub>1</sub>)<br> B: Ax+By=C<br> C: f(x)=mx+b<Br> C: f(x)=mx+b
For f(x)=mx+b, what does <i>m</i> represent? The Slope of the line
For f(x)=mx+b, what does <i>b</i> represent? The Point on the line where y=b and x=0.
What shape and what direction would the opening face on an graph in the following equation?<br> <br> f(x)=x<sup>2</sup> It would form a U with the opening facing up
What shape and what direction would the opening face on an graph in the following equation?<br> <br> f(x)=|x| It would form a V with the opening facing up
What shape and what direction would the opening face on an graph in the following equation?<br> <br> f(x)=-x<sup>2</sup> It would form a U with the opening facing down
What shape and what direction would the opening face on an graph in the following equation?<br> <br> f(x)=-|x| It would form a V with the opening facing down
For the variables y, x, and k, write the equation if <i>y</i> varies directly as <i>x</i>, with a nonzero constant <i>k</i>. y=kx
For the variables y, x, and k, write the equation if <i>y</i> varies inversely as <i>x</i>, with a nonzero constant <i>k</i>. y=k/x
For the variables y, x, z, and k, write the equation if <i>y</i> varies jointly as <i>x</i> and <i>z</i>, with a nonzero constant <i>k</i>. y=kxz
Created by: jasonksmith