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# 3.4: Quiz I

Difficulty Level: At Grade Created by: CK-12

Multiple Choice – Please circle the letter of the correct answer and write that letter in the space provided to the left of each question.

1. __________ Which of the following relations is not a function?
1. (1,4),(1,7),(1,10),(1,13),(1,16)\begin{align*}(1,4), (1,7), (1,10), (1,13), (1,16)\end{align*}
2. (1,4),(2,4),(3,4),(4,4),(5,4)\begin{align*}(1,4), (2,4), (3,4), (4,4), (5,4)\end{align*}
3. (1,2),(1,2),(2,1),(2,1)\begin{align*}(1,2), (-1,2), (2,1), (-2,-1)\end{align*}
4. (0,0),(1,1),(1,1),(2,4),(2,4)\begin{align*}(0,0), (1,1), (-1,1), (2,4), (-2,4)\end{align*}
2. __________ Find f(3)\begin{align*}f (3)\end{align*} for the following function: f(x)=5x+3\begin{align*}f(x) = 5x + 3\end{align*}
1. 0
2. 65\begin{align*}\frac{6}{5}\end{align*}
3. 6
4. 18
3. __________ What is the best reason to justify that the following circle graph is not a function?
1. Any line will cut the circle at two points
2. My vertical line cuts the circle at two points
3. Circles don’t represent functions.
4. Every y\begin{align*}y-\end{align*}value has two x\begin{align*}x-\end{align*}values.
4. __________ A Cartesian plane consists of four sections called
1. squares
2. origins
4. grids
5. __________ Another name for the x\begin{align*}x-\end{align*}coordinate of an ordered pair that represents a plotted point on a Cartesian plane is
1. the ordinate
2. the intercept
3. the origin
4. the abscissa
6. __________ What are the coordinates of the plotted point?
1. (4,3)\begin{align*}(4, -3)\end{align*}
2. (4,3)\begin{align*}(-4, 3)\end{align*}
3. (4,3)\begin{align*}(-4,-3)\end{align*}
4. (3,4)\begin{align*}(3, -4)\end{align*}
7. __________ If f(x)=5x+2\begin{align*}f(x) = -5x+2\end{align*}, what is the value of ‘x\begin{align*}x\end{align*}’ if f(x)=8\begin{align*}f(x) = -8\end{align*}?
1. x=2\begin{align*}x = 2\end{align*}
2. x=10\begin{align*}x = -10\end{align*}
3. x=42\begin{align*}x = 42\end{align*}
4. x=2\begin{align*}x = -2\end{align*}
8. __________ Which relation is not a function?
9. __________ What name is given to the point where the horizontal and vertical axes intersect on a Cartesian plane?
1. intercept
2. ordinate
3. abscissa
4. origin
10. __________ Where on a Cartesian plane is the x\begin{align*}x-\end{align*}coordinate of a point positive and the y\begin{align*}y-\end{align*}coordinate negative?

1. A
2. D
3. B
4. C
5. D
6. C
7. A
8. B
9. D
10. A

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