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gavmur [86]
3 years ago
10

Evaluate F(x)=-4x+7 when x is 1

Mathematics
1 answer:
oee [108]3 years ago
8 0

Answer:

f (1) = 11

Step-by-step explanation:

f(1) = 4(1) + 7

f(1)= 4+7

f(1)= 11

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Use the information given to enter an equation in standard form. Slope is 4/7 , and (5,8) is on the line.
aalyn [17]
8=4/7(7) + b
b=4
Y= 4/7 x + 4
[You might wanna check your answer, I might be wrong. Sorry if I’m wrong.]
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Please help me!!!!!!!!!!1 marking brainliest!! :(
belka [17]

Answer:

Y = 3x

Step-by-step explanation:

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1. What are the x and y-intercepts?
mel-nik [20]

Answer: B, (-3,0) and (0,2)

Step-by-step explanation:

x and y intercepts are where the line meets x and y, so you can simply look at the graph!

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8 0
3 years ago
Two students are comparing scientific experiments to investigations. They came up with the following ideas. Student A: Testing p
irinina [24]

Answer:

Student A: Testing plant growth in different types of soils

Student B: Comparing the water level in a lake during different times of the year

Step-by-step explanation:

Student A because it requires a hypothesis

Student B because it requires a hypothesis Student

A because it can be done in natural settings

Student B because it can be done in natural settings

6 0
3 years ago
Square ABCD is located on a coordinate plane. The coordinates for three of the vertices are listed below. ~A(2,7) ~C(8,1) ~D(2,1
Vladimir79 [104]

Answer:

B' (16, 14)

Step-by-step explanation:

<em>Whenever we have a dilation with a scale factor b, we get the new point as:</em>

<em>Let original point be (x,y), then the dilation would make it (bx, by).</em>

<em />

There is a diagonal that goes through AC and another through BD. The midpoint of both the diagonal is same. Midpoint formula is:

(\frac{x_1+x_2}{2},\frac{y_1+y_2}{2})

<u>Midpoint of AC:</u>

(\frac{x_1+x_2}{2},\frac{y_1+y_2}{2})\\=(\frac{2+8}{2},\frac{7+1}{2})\\=(5,4)

Now let vertex B have coordinates (x,y). <u>Midpoint of BD:</u>

(\frac{x_1+x_2}{2},\frac{y_1+y_2}{2})\\=(\frac{x+2}{2},\frac{y+1}{2})

<em>Equate this to the midpoint of AC:</em>

<em>(x+2)/2=5</em>

<em>x+2 = 10</em>

<em>x = 8</em>

<em />

<em>and</em>

(y+1)/2=4

y+1=8

y = 7

Thus, B(8,7)

<em>recalling dilation of scale factor 2 rule we said at the beginning, B' would be twice of each coordinate. Hence B' = (16,14)</em>

7 0
3 years ago
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