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valentinak56 [21]

3 years ago

9

Describe the steps to graph the equation "f(x) = 14x + 1" on the coordinate axes. Mention the labels on the axes and the interva

ls.

1 answer:

Svetllana [295]3 years ago

7 0

It's a linear function, so you only need 2 points and then connect them together.

Easiest way: x = 0 ->y = 1 ->(0,1)

x = 1->y = 15 ->(1,15)

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kvasek [131]

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3 years ago

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Mariulka [41]

I'm not smart, but I'm PRETTY sure it's the third one

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3 years ago

Can you create a rectangular prism net with a surface area of 394in

Alina [70]

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2 years ago

The sum of squares of three consecutive numbers is 77 find the numbers

ollegr [7]

Answer:

4,5,6 are the three consecutive numbers. 16, 25 and 36 are their squares.

Step-by-step explanation:

Let the three consecutive numbers be x, (x+1), (x+2)

Now, the squares of these three numbers are $x^{2} ,(x+1)^{2} ,(x+2)^{2}$

Sum = 77

∴by the problem ,

$x^{2} +(x+1)^{2}+(x+2)^{2} = 77\\x^{2} +(x^{2} +2x+1)+(x^{2}+4x +4) = 77\\x^{2} +x^{2} +2x+1+x^{2} +4x +4 = 77\\3x^{2} +6x+5 = 77\\3x^{2} +6x = 77-5\\3x^{2} + 6x = 72\\3x^{2} +6x-72= 0\\$

{Taking 3 common }

$x^{2} +2x- 24 = 0\\$

{By factorization}

$x^{2} +2x- 24 =0\\ x^{2} +6x-4x-24=0\\x(x+6)-4(x+6)=0\\(x+6)(x-4)=0\\$

Therfore,

$x= -6,4\\$

<em>X can't be negetive </em>

∴ $x =4\\x+1=5\\x+2=6$

The squares of the three consecutive numbers are 16, 25, 36

The three consecutive numbers whose sum is 77 are 4, 5, 6

3 0

4 years ago

Which two values of x are roots of the polynomial? x^2-11+15

devlian [24]

Add -11 and 15 to get 4
x^2 + 4

7 0

4 years ago