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3 years ago

What are the vertex and x-intercepts of the graph of each function?

Mathematics

1 answer:

elena-s [515]3 years ago

5 0

Answer:

62) vertex (-1,-4) x intercepts are (1,0) and (-3,0)

63) vertex (4,-4) x-intercepts are (6,0) and (2,0)

64) vertex (-3,-4) x-intercepts are (-1,0) and (-5,0)

65) vertex (-4,-1) x-intercepts are (-3,0) and (-5,0)

Step-by-step explanation:

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REALLY APPRECIATE YOUR HELP<br><br>Given log x = 3 and log y = 2, prove that x^2 -7xy =3000y

anyanavicka [17]

Answer:

$if \: log(x ) = 3 \\ log_{10}(x) = 3 \\ {10}^{3} = x \\ therfore \to \: \boxed{x = {10}^{3} } \\ \\ if \: log(y ) = 2 \\ log_{10}(y) = 2 \\ {10}^{2} = y \\ therfore \to \: \boxed{y= {10}^{2} }$

Step-by-step explanation:

$x^2 -7xy =3000y \: then \to \\ x^2 =3000y + 7xy \\ {(10 ^{3} )}^{2} = 3000(10)^{2} + 7( {10}^{3} \times {10}^{2}) \\ {10}^{6} = 3000(10)^{2} + 7( {10}^{3} \times {10}^{2}) \\ {10}^{6} = 3000(10)^{2} + 7( {10}^{5} ) \\ {10}^{6} = 300000 + 700000 \\ \boxed{{10}^{6} = 1000000} \\ hence \: the \: equation \to \: x^2 -7xy =3000y \\ \boxed{ is \: corret}$

♨Rage♨

3 0

3 years ago

Can someone please answer this?

Nookie1986 [14]

Answer:

x=-1

Step-by-step explanation:

-4x=y+8

-8-4x=y

7x-2y=1

7x-2(-8-4x)=1

7x+16+8x=1

15×+16=1

15x=-15

x=-1

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3 years ago

If you’re smart you will answer this

uysha [10]

Let the length of segment AB be x.

BC then is AB + 6 or x + 6.

AC is AB + BC - 13 or x + x + 6 - 13 = 2x - 7

The sum of the three lengths is 78.

x + x + 6 + 2x - 7 = 78

4x - 1 = 78

4x = 79

x = 19.75

BC = x + 6 = 19.75 + 6 = 25.75

Answer: B. 25.75 mm

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4 years ago

Write two expressions where the solution is 28

GuDViN [60]

4×7 and 14×2

I know there's more but that's what came into my head.

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3 years ago

Pls help i will give brainliest

Vlad1618 [11]

Answer: 8 students.

Please mark brainliest i was wrong earlier

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3 years ago

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