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Vertical Line Test Quiz Answer Key

Vertical Line Test Quiz Answer Key
1. A function is a relation between two variables such that the
dependent value has EXACTLY one independent variable.
a) π‘‡π‘Ÿπ‘’π‘’
b) πΉπ‘Žπ‘™π‘ π‘’
2. The relation in this set is a function: {(3, 5), ( β€’ 3, 5), (4, β€’ 2), (3, β€’ 2)}.
a) π‘‡π‘Ÿπ‘’π‘’
b) πΉπ‘Žπ‘™π‘ π‘’
3. The relation in the graph below is not a function.
a) π‘‡π‘Ÿπ‘’π‘’
b) πΉπ‘Žπ‘™π‘ π‘’
4. Determine which of the following sets of relations is not a
function.
a) {(2, 4)( β€’ 4, 2), (3, 5), (1, 9)}
b) {( β€’ 6, 1)( β€’ 5, β€’ 5), (2, 1), (3, β€’ 5)}
c) {(8, β€’ 1)(3, 6), (3, 4), (4, β€’ 4)}
d) {( β€’ 5, 3)( β€’ 2, β€’ 4), (0, 8), (6, 2)}
5. The relation in this set is a function: {(3, 2), (3, 4), (3, 6), (3, 8)}.
a) π‘‡π‘Ÿπ‘’π‘’
b) πΉπ‘Žπ‘™π‘ π‘’
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6. The relation in this set is a function: {(2, 3), (4, 3), (6, 3), (8, 3)}.
a) π‘‡π‘Ÿπ‘’π‘’
b) πΉπ‘Žπ‘™π‘ π‘’
7. The relation in the graph below is a function.
a) π‘‡π‘Ÿπ‘’π‘’
b) πΉπ‘Žπ‘™π‘ π‘’
8. The relation in the graph below is a function.
a) π‘‡π‘Ÿπ‘’π‘’
b) πΉπ‘Žπ‘™π‘ π‘’
9. The vertical line test theorem states that, β€œa relation is a
function if there are no vertical lines that intersect the graphed
relation in more than one point.”
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a) π‘‡π‘Ÿπ‘’π‘’
b) πΉπ‘Žπ‘™π‘ π‘’
10. The relation in the graph can be a function when a horizontal line
intersects the graphed relation in more than two points.
a) π‘‡π‘Ÿπ‘’π‘’
b) πΉπ‘Žπ‘™π‘ π‘’
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