Algebra

1.Is (0,3) a solution to the equation y=x+3?

A.yes***
B.No

2.Is (1,-4) a solution to the equation y=-2x?

A.yes
B.No***

3.Look at the following points
(4,0),(3-1),(6,3)(2,-4)
Which are solutions to y=x-4?chose all correct answers

A.(6,3)
B.(4,0)
C.(3,-1)***
D.(2,-4)***

4.There are 8 crackers in 1 serving,24 crackers in 3 servings,and so on. How many crackers are in a box of 12 servings?

A.80
B.96***
C.108
D.120

Please correct my mistakes and share with me how you've received your answer.

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  1. Better go back to #3 and look again.

    The others look ok.

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  2. For #3 is 1 wrong or both?

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  3. geez, guy. Can't you subtract 4 and check the result?

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  4. (0,3)
    y-x+3

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  5. If you are in connexus here are all of the answers.
    1 yes
    2 no
    3 (4,0) & (3,-1)
    4 96
    5 3y+6=5y-8
    6. An equation can be used to predict values from a pattern by merely substituting any value to determine the equivalent value. An example is the geometric series which has a standard equation of an = a1 * r^(n-1) and is used to predict the nth term of the series
    7 Price # of pizzas
    1.)50 1
    3.)00 2
    4.)50 3
    6.)00 4
    each pizza costs 1.50 so you add on 1.50 to each slice of pizza you buy

    just took the test got 100%

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