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kipiarov [429]
4 years ago
15

What are the solutions to 6x^2-5x-4=0

Mathematics
2 answers:
White raven [17]4 years ago
5 0

Answer:

(4/3,-1/2)

Step-by-step explanation:

Hope I helped

Zolol [24]4 years ago
4 0
To factor a quadratic equation that has a leading coefficient, multiply the most and least significant coefficients together. In this case 6 * -4 = -24

We need to find two numbers that multiply to -24 and add to -5. We will split the middle term into these two numbers.

6x^2 -8x + 3x - 4 = 0

Here you can see that we split -5x into -8x and 3x.

Now we can factor by grouping. To do this, group the first two terms together and the last two terms together. Factor out whatever you can.

(6x^2 - 8x) + (3x - 4)

2x(3x - 4) + 1(3x - 4)

Notice that the second group had nothing to factor out so we just pull out a 1. Now we can rearrange the factored form according to the distributive property.

(2x+1)(3x-4) = 0

So the solutions are x = -1/2 and x = 4/3





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adelina 88 [10]

(\stackrel{x_1}{1}~,~\stackrel{y_1}{2})\qquad (\stackrel{x_2}{5}~,~\stackrel{y_2}{4}) ~\hfill \stackrel{slope}{m}\implies \cfrac{\stackrel{rise} {\stackrel{y_2}{4}-\stackrel{y1}{2}}}{\underset{run} {\underset{x_2}{5}-\underset{x_1}{1}}}\implies \cfrac{2}{4}\implies \cfrac{1}{2}

8 0
2 years ago
2 numbers are such that if 7 is added to the first number, a number twice the second number is obtained. If 20 is added to the s
Eduardwww [97]

Answer:

1st= 47/7 or 6.71

2nd= 48/7 or 6.857

Step-by-step explanation:

1st number =X and 2nd number = Y

According to question, X+7=2Y

20+Y=4X

X=2Y-7 (from 1st condition)

putting in it second

20+Y=4(2Y-7)

20+Y=8Y-28

20+28=8Y-Y

48=7Y

Y=48/7

so X=2(48/7)-7

=96-49/7

47/7

5 0
3 years ago
(-12,-5);slope =1/3 write in slope -intercept form​
leonid [27]

Answer:

y = \frac{1}{3} - 1

Step-by-step explanation:

y - y1 = m (x - x1)

y + 5 = \frac{1}{3} (x + 12)

y + 5 = \frac{1}{3} x + \frac{12}{3}

y + 5 = \frac{1}{3} x + 4

y = \frac{1}{3} x - 1

Hope this was helpful :)

7 0
3 years ago
Read 2 more answers
What is the coefficient in the term k?<br> A.0<br> B.1<br> C.2<br> D.k
Amiraneli [1.4K]

9514 1404 393

Answer:

  1

Step-by-step explanation:

The constant multiplier of k in the term "k" is 1.

The coefficient is 1.

4 0
3 years ago
List all number sets that apply to each number
kolbaska11 [484]

Answer:

45

2

03

16

26

224

Step-by-step explanation:

5 0
4 years ago
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