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Paul [167]
2 years ago
13

Solve x2 − 7x + 12 = 0. x = −3, x = −4 x = 3, x = 4 x = 2, x = 6 x = −2, x = −6

Mathematics
1 answer:
UNO [17]2 years ago
6 0

Answer:

x=4, x=3

B is correct.

Step-by-step explanation:

Given: x^2-7x+12=0

Using middle term splitting factor the left side equation.

x^2-4x-3x+12=0

(x-4)(x-3)=0

Equate each factor to 0 and solve for x

x-4=0    or     x-3=0

x=4 and x=3

Hence, The solution of the equation is 4 or 3

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Find the missing factor 4x^2+19x-5=(x+5)( )<br><br> NEED HELP PLEASE
S_A_V [24]

Answer:

4x^2+19x-5=(x+5)(4x -1)

Step-by-step explanation:

The given expression is 4x^2 + 19x - 5

The leading coefficient is 4 and last term is -5

Multiply them, we get -20

Now find the factors of -20 such that when you add the factors we have to get 19.

-1*20 = -20

20+ (-1) = 19

The right factors are -5 and 9.

4x^2 + 19x - 5 =4x^2 + 20x -1x - 5

= 4x(x + 5) -1(x + 5)

= (x + 5)(4x -1)

The missing factor is (4x -1)

Thank you.


4 0
3 years ago
Identify the horizontal
jonny [76]

Answer:

y=0

Step-by-step explanation:

Hello!

To solve this problem and find the asymptote you must find the value of x, for which F (x) (or y) becomes infinite, for this we solve the equation for X

y=\frac{3}{5X} \\X=\frac{3}{5y}

As you can see if Y takes a value of zero, then X would tend to be an infinitely large value so we conclude the horizontal asymptote is y = 0, I also attached the graph!

8 0
3 years ago
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ollegr [7]

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8 0
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How do I know how to determine whether a relation is a function? What is a function?
scoundrel [369]

Answer:

all are functions

Step-by-step explanation:

a function is when each x has a y

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5 0
3 years ago
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Answer:

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Step-by-step explanation:

A) 0.25 x 52 = 13

B) 4% of 52 = 0.04 x 42 = 2.08

C) 52 ÷ 4 = 13

D) 52/4 = 13

4 0
3 years ago
Read 2 more answers
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