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Lostsunrise [7]
4 years ago
7

Which ordered pair is a solution of the equation y = –5/4x – 2?

Mathematics
1 answer:
Ymorist [56]4 years ago
6 0

Answer:

A.

Step-by-step explanation:

We substitute the given values to see which ones satisfy the equation:

-8,8:

8 = -5/4(-8) - 2

= 10 - 2 = 8  - that's the one.

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Identify the roots of the quadratic function.
Anna [14]

Answer:

A. x=0 and x=4

Step-by-step explanation:

The roots of a quadratic function are the x intercepts of the parabola. In this case, the roots are 0 and 4 because the parabola intercepts the x axis twice in these points.

Your answer is A. x=0 and x=4

Hope I helped!

4 0
3 years ago
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Bess [88]

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3 years ago
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How to write a domain
Gre4nikov [31]
The domain are all valid values for x (the independent variable) that can be used in an equation.

We have to look at any potential values of x which won't work. Easily put: in algebra, just look for values of x which cause either division by zero, or the square root of negative numbers.

A couple of examples: 
y=2x+4
You can insert any negative or positive value, or zero, for x and get a valid equation. Therefore the domain is the set of all real numbers. Answers are usually written as:
x: {R}, or simply 'all real numbers'.

what about y=2/(x-1)
In this equation, x appears in the denominator. If x-1=0, then division by zero would occur. 
Solve: x-1≠0
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In set notation:
x: (-∞,1)∪(1,∞)
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7 0
3 years ago
Javier monthly net income is $1,500. He requests that his bank deposit 1/5 of his monthly earnings into his savings account. how
Harman [31]
1500 * 1/5
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Javier contributes $3,600 a year to his savings.
5 0
3 years ago
Please help me answer this question?
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Answer:

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Step-by-step explanation:

2 + 4!

3-5

3_4

3-6

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2+5

2_3

2-5

7 0
2 years ago
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