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Kaylis [27]
3 years ago
14

What is the equation of a line that passes through the points -2 -2 and has a slope of four

Mathematics
1 answer:
andrey2020 [161]3 years ago
7 0

Answer:

y = 4x + 6

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Here m = 4, thus

y = 4x + c ← is the partial equation

To find c substitute (- 2, - 2) into the partial equation

- 2 = - 8 + c ⇒ c = - 2 + 8 = 6

y = 4x + 6 ← equation of line

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Can someone please give me an equation in slope-intercept form for this graph?
Scilla [17]

Answer:

substitute y = mx +b = (2/3)x -2

Step-by-step explanation:

slope intercert form looks like this

y = mx + b

m is the slope

b is the y intercept

The line intercepts the y at -2

To find slope, pick 2 points to find the slope

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

i select point 1 (0,-2) and point 2 (3,0)

m = (0-(-2))/(3-0) = (2)/3

substitute y = mx +b = (2/3)x -2

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3 years ago
What is the factorization of 3x2 – 8x + 5?
Tanzania [10]

Answer:

(x-1)(3x-5)

Step-by-step explanation:

Factorize means convert and expression into multiple factors.

You have to find to factor that multiplied equals the original equation. Firts of all you split the expression of  square X into 3X an X, so you  guarantee that when you multiply 3X by X, the result is 3X^2.

After doing that, you need to think in numbers that equals the middle term (8X) and the constant (5).

-1 and -5 guarantee you that the multiplication of them results into +5, so you start with those numbers. Then you have to find where to put them in order to find the -8X.

-5 x X = -5X

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And adding those two expresion you find the -8X that you need!

Please try to solve it multiplying term by term and check the final equation.

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3 years ago
Z + 21/–1 = –3. z+21/-1 is a fraction
Vika [28.1K]

Answer:

No Answer

Step-by-step explanation:

z+\frac{21}{-1} =-3*z+\frac{21}{-1}

cancel out same on both sides

0=-3

N/A

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21/100 is the answer. Hope this helped!

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