3 years ago

Explain what the vertical line test is and how it is used.

1 answer:

3 0

Answer: The vertical line test is used to determine if a graph of a relationship is a function or not. if you can draw any vertical line that intersects more than one point on the relationship, then it is not a function.

Hope this helped! :)

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a dvd costs twice as much as a music cd. Jack buys 2 dvds and 2 cds and spends $45. Determine how much one cd costs. in dollars

VMariaS [17]

$dvd=d \\ cd=c \\ \\ \left \{ {{d=2c} \atop {2d+2c=45}} \right. \\ \\ 2(2c)+2c=45 \\ 4c+2c=45 \\ 6c=45 \\ c=7.5 \\ \\ d=2(7.5) \\ d=15$

One CD costs $7.50.
One DVD costs $15.00.

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4 years ago

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Write 5 5/9 as a improper fraction

4vir4ik [10]

5 5/9
5 * 5/9
25/9
The correct answer is 25/9, as shown above.

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3 years ago

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11111nata11111 [884]

Answer:

G. 4/7