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Rufina [12.5K]
3 years ago
13

How can you describe the graph of the equation ax + by = c? Explain

Mathematics
1 answer:
Sergeu [11.5K]3 years ago
7 0

Answer:

A straight line

The gradient is -b/a

The y-intercept is at c/b

The x-intercept is at c/a

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gogolik [260]
Do what is in the parentheses then add
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4 years ago
For the following exercises, evaluate the function f at the values f(−2), f(−1), f(0), f(1), and f(2)
MatroZZZ [7]

Answer:

See below.  <u><em>I assume that (x) = 8x2 - 7x + 3 is really (x) = 8x^2 - 7x + 3</em></u>

Step-by-step explanation:

Substitute the value of x given in f(x) into the equation f(x) = 8x^2 - 7x + 3

For example, f(0) would be f(0) = 8(0)^2 - 7(0) + 3.  f(0) = 3

f(-2) would be f(-2) = 8(-2)^2 - 7(-2) + 3.  

                                =   8*4  + 14 +3

                                = 32 + 17        therefore      f(-2) = 49

<u>x</u> <u>f(x)</u>

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1 4

2 21

4 0
2 years ago
Can someoe help? <br> 7x-24=6x-2
just olya [345]

Answer:

7x - 24 = 6x - 2 \\ collecting \: like \: terms \:  \\ 7x - 6x =  - 2 + 24 \\ 1x = 22 \\ x =  \frac{22}{1}  \:  \: or \:  \: x = 22

6 0
3 years ago
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Line MN passes through points M(4, 3) and N(7, 12). If the equation of the line is written in slope-intercept form, y = mx + b,
seropon [69]

Answer:

-9

Step-by-step explanation:

What b represents here is the y intercept.

The first thing we will do here is to find the slope.

Mathematically;

m = (y2-y1)/(x2-x1)

Plugging the values;

m = (12-3)/(7-4) = 9/3 = 3

The equation can thus be written as;

y = 3x + b

To get b, we can use any of the points since they lie on the line

Let’s use point M

Substitute the values of x and y in the equation

3 = 3(4) + b

3 = 12 + b

b = 3-12 = -9

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4 years ago
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Estimate 13.23 - 2.570 by first rounding each number to the nearest tenth.
Temka [501]

Answer:

7

Step-by-step explanation:

13.23 = 10

2.570= 3

10-3=7

6 0
3 years ago
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