Question | Answer |
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 |