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Sunny_sXe [5.5K]
2 years ago
8

Solve the polynomial (ab ^ 2 +13b-4a) + (3ab ^ 2 + a)

Mathematics
1 answer:
scoundrel [369]2 years ago
8 0

Answer: 4ab2 - 3a + 13b

Step-by-step explanation:  (a•(b2))+13b)-4a)+(3ab2+a)

Factoring    4ab2 - 3a + 13b

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3 years ago
PLSSSSS HELP QUICK IF U GIVE MEH THE CORRECT ANSWER ILL GIVE U BRAINLIEST
dexar [7]

Answer:

(120 * 32) + 160,500

Step-by-step explanation:

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3 0
2 years ago
Read 2 more answers
Write y=x^2+16x−7​ in vertex form. Then identify the vertex.
WARRIOR [948]

The vertex form of the function is y = (x + 8)² - 71

The vertex is (-8 , -71)

Step-by-step explanation:

The vertex form of the quadratic equation y = ax² + bx + c is

y = a(x - h)² + k, where

  • (h , k) are the coordinates of the vertex point
  • a, b, c are constant where a is the leading coefficient of the function (coefficient of x²) , b is the coefficient of x and c is the y-intercept
  • h=\frac{-b}{2a}
  • k is the value of y when x = h

∵ y = x² + 16x - 7

∵ y = ax² + bx + c

∴ a = 1 , b = 16 , c  = -7

∵ h=\frac{-b}{2a}

∴ h=\frac{-16}{2(1)}

∴ h = -8

To find k substitute y by k and x by -8 in the equation above

∵ k is the value of y when x = h

∵ h = -8

∴ k = (-8)² + 16(-8) - 7 = -71

∵ The vertex form of the quadratic equation is y = a(x - h)² + k

∵ a = 1 , h = -8 , k = -71

∴ y = (1)(x - (-8))² + (-71)

∴ y = (x + 8)² - 71

∵ (h , k) are the coordinates of the vertex point

∵ h = -8 and k = -71

∴ The vertex is (-8 , -71)

The vertex form of the function is y = (x + 8)² - 71

The vertex is (-8 , -71)

Learn more:

You can learn more about quadratic equation in brainly.com/question/9390381

#LearnwithBrainly

4 0
3 years ago
Read 2 more answers
Determine the direction that this parabola opens y=4x^2+8x+2
just olya [345]
For this case we have a quadratic equation of the form:
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 What we must keep in mind to know which direction opens the parabola, is the value of a.
 We have two options:
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 If a> 0 the parabola opens up
 We have the following equation:
 y = 4x ^ 2 + 8x + 2&#10;
 We observed that:
 a = 4 (a\ \textgreater \  0)&#10;
 Therefore, the parable opens up.
 Answer:
 
the direction that this parabola opens is:
 
Upwards
8 0
3 years ago
What is an equation of the line that passes through the point (−2,−3) and is parallel to the line 5 x + 2 y = 14
Alona [7]

Answer:

y=-5/2x-8

Step-by-step explanation:

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6 0
2 years ago
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