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MAVERICK [17]
4 years ago
12

How to solve 3x³ - 51x² + 16x Using quadratic formula

Mathematics
1 answer:
brilliants [131]4 years ago
4 0

Answer:

x=5or x=1/3

Step-by-step explanation:

You might be interested in
given that oa=2x+9y ob=4x+8y and cd= 4x-2y, explain the geometrical relationships between the straight lines ab and cd mathswatc
tangare [24]

The geometrical relationships between the straight lines ab and cd

is the straight line ab is parallel to the straight line cd

Step-by-step explanation:

Let us revise some notes:

  • If a line is drawn from the origin and passes through point A (a , b), then the equation of OA = ax + by
  • If a line is drawn from the origin and passes through point B (c , d), then the equation of OB = cx + dy
  • To find the equation of AB subtract OB from OA, then AB = (c - a)x + (d - b)y
  • The slope of line AB = \frac{-coefficient(x)}{coefficient(y)}

∵ oa = 2 x + 9 y

∵ ob = 4 x + 8 y

∵ ab = OB - OA

∴ ab = (4 x + 8 y) - (2 x + 9 y)

∴ ab = 4 x + 8 y - 2 x - 9 y

- Add like terms

∴ ab = (4 x - 2 x) + (8 y - 9 y)

∴ ab = 2 x + -y

∴ ab = 2 x - y

∵ The slope of ab = \frac{-coefficient(x)}{coefficient(y)}

∵ Coefficient of x = 2

∵ Coefficient of y = -1

∴ The slope of ab = \frac{-2}{-1}=2

∵ cd = 4 x - 2 y

∵ Coefficient of x = 4

∵ Coefficient of y = -2

∴ The slope of cd = \frac{-4}{-2}=2

∵ Parallel lines have same slopes

∵ Slope of ab = slope of cd

∴ ab // cd

The geometrical relationships between the straight lines ab and cd

is the straight line ab is parallel to the straight line cd

Learn more;

You can learn more about the parallel lines in brainly.com/question/10483199

#LearnwithBrainly

4 0
3 years ago
What is the product of <img src="https://tex.z-dn.net/?f=%283y%20%5E%7B-4%7D%29%282y%5E%7B-4%7D%20%29" id="TexFormula1" title="(
ludmilkaskok [199]

Answer:

final answer is 6/(y^8)

Step-by-step explanation:

(3y^-4) = 3/(y^4)

(2y^-4) = 2/(y^4)

3*2 = 6

Add exponents y^4+y^4 = y^8


hence 6 / (y^8)

6 0
4 years ago
Pls help asap for 15 points easy 3(2a–1)−5a =
MrRa [10]

Answer:

a-3

Step-by-step explanation:

3(2a–1)−5a =

distribute

3*2a -3*1 -5a=

6a -3 -5a

combine like terms

a-3

4 0
3 years ago
Read 2 more answers
2x+90=7x<br><br><br><br>please explain it step-by-step ​
horrorfan [7]

Answer:

Step-by-step explanation:

2x+90=7x

2x=7x-90

2x-7x=-90

-5x+-90

x=18

6 0
3 years ago
Read 2 more answers
What is the substitution to 3x y=-16 5x y=-20?
erica [24]
The first one ,to substitute 3xy from -16 ...so divided both side by 3 .so, (xy =-5.33). the second one,5xy =-20. so,divided both sides by 5 so xy = -4....
5 0
3 years ago
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