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kolezko [41]
3 years ago
7

What is the slope of the line?

Mathematics
1 answer:
Savatey [412]3 years ago
8 0

Answer:

C. -3

Step-by-step explanation:

Start from (-1,4) drop down -6 spots then move over 2 spot to end up at (1,2). This is the same as writing -6/2 which equals -3.

If you start from other point (1,2) you'll have to move up 6 then back -2 to get to (-1,4) which is also -6/2 like above and slope is still -3.

Remember y = mx + b

m is the slope and with above example -6/2 top number is rise which move up/down and bottom number is run which move left/right.

Another way of solving it is:

(y2 - y1) / (x2 - x1)

4 - (-2) / -1 - 1

6 / -2

-3

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Mei Mei invested $1700 in an account that pays 3% interest compounded annually.
algol [13]

Answer:

$2728

Step-by-step explanation:

Use compound interest formula:

A = P(1 + \frac{r}{n})^{nt}

P = 1700, r = 0.03, n = 1, t = 16

Plug in numbers:

A = 1700(1 + \frac{0.03}{1})^{(1)(16)}

Simplify:

A = 1700(1.3)^{16

Use calculator:

A = 2728

4 0
2 years ago
Match the sets of points representing one-to-one functions with the sets of points representing their inverse functions.
galben [10]
The answer is already given in your question. The inverse of a function
f is f-1, g is g-1, h is h-1 and i is i-1.

To explain why the inverse of 
<span>f = {(1,2), (2,3), (3,4), (4,5), (5,6), (6,7)}
is
f-1 = </span><span>f -1 = {(2,1), (3,2), (4,3), (5,4), (6,5), (7,6)}
and that of the other functions to their corresponding inverses is because of the definition of the inverse of a function which is
f = (x, y)
f-1 = (y, x)

Simply, the x and y coordinates of a function are interchanged to get the inverse of the function.</span><span />
5 0
3 years ago
What is the vertex of the quadratic function f(x) = (x – 8)(x – 2)??
joja [24]
<span>f(x)=-x^2+10x+6
f(x)=3x^2-12x+9
f(x)=-2x^2+2x+7
f(x)=8-x^2 </span>
4 0
3 years ago
The length of a rectangle is 4 centimeters more than twice its width. If the perimeter of the rectangle is 86 centimeters, find
garik1379 [7]

width = 13

length = 30

p=2l + 2w

86 = 2(2w+4) + 2w

86 = 4w + 8 + 2w

86= 6w + 8

78 = 6w

13 = w


86 = 2l + 2(13)

86 = 2l + 26

60 = 2l

30 = l


check your work.

l is 4 centimeters more than twice w

twice w = 26

plus 4 = 30



i hope you understand. ask questions if not

5 0
3 years ago
if g represents Greg's age and his daughter is 4 years less than one half his age, then write an expression for his daughters ag
Alexxandr [17]
 (1/2xG)-4 =daughter's age 
5 0
3 years ago
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