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Luda [366]
3 years ago
15

Line AB contains points A(4, 5) and B(9, 7). What is the slope of AB?

Mathematics
1 answer:
Arlecino [84]3 years ago
6 0

Answer:

\frac{2}{5}

Step-by-step explanation:

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

7-5/9-4

2/5

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Graph the function f(x) = (x + 1)(x - 5). Use the drop-
hodyreva [135]

Answer:

3) (2,-9)

4) (0,-5)

5) (1,-8)

Step-by-step explanation:

3)

The vertex will occur between you x-intercepts.

You already found that happens at x=2.

To find the corresponding y-coordinate, replace x in

f(x)=(x+1)(x-5) with 2:

f(2)=(2+1)(2-5)

f(2)=(3)(-3)

f(2)=-9

So the vertex is (2,-9).

4)

The y-intercept is when x=0.

So in f(x)=(x+1)(x-5) replace x with 0:

f(0)=(0+1)(0-5)

f(0)=(1)(-5)

f(0)=-5

So the y-intercept is (0,-5).

5)

To find another point just plug in anything besides any x already used.

We preferably want to use a value of x that will keep us on their grid however far up,down,left, or right their grid goes out. So I'm going to choose something close to the vertex which is at x=2. Let's go with x=1.

So replace x in f(x)=(x+1)(x-5) with x=1:

f(1)=(1+1)(1-5)

f(1)=(2)(-4)

f(1)=-8

So another point to graph is (1,-8).

7 0
3 years ago
Can Someone Help. ?
Elanso [62]

Answer:

6

Step-by-step explanation:

I think its 6 times greater because the length was tripled and the width was doubled thus : 3 * 2 = 6

HOPE THIS HELPED

8 0
2 years ago
Y is a number such that 6y = 12
nataly862011 [7]
6y = 12
y = 12/6
y = 2

:)
5 0
3 years ago
HELP ASAP!! Justify the answer to the equation by explaining the steps you took.
babymother [125]

Step-by-step explanation:

Given: 2x-6=5x+18

step 2 : the subtraction property of equality

step 4: the addition propert of equality

step 5: the division propert of equality

3 0
2 years ago
A)<br>evaluate :<br>(iii) (11.6)^2​
IrinaVladis [17]
Answer is 134.56, you’re welcome
8 0
3 years ago
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