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PolarNik [594]
3 years ago
12

Solve this quadratic equation using the quadratic formula. 5 - 10x - 3x2 = 0

Mathematics
1 answer:
Olegator [25]3 years ago
5 0

-3x^2 - 10x + 5 = 0

Quadratic formula:

-b +/- sqrt[b^2 - 4(a)(c)]/2(a)

So. . . 10 +/- sqrt[(10^2) - 4(-3)(5)]/2(-3)

10 +/- sqrt[100+60]/ -6

10 +/- sqrt[160]/-6

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The option for the first one is graph A or graph B
horrorfan [7]

First answer: Graph A

Second answer: E) Increase less

Graph A shows a flatter curve compared to B which is steeper. The steeper the curve, the faster the increase.

4 0
3 years ago
Helppppppp show the steps to your answer
Studentka2010 [4]

The numeric value of the expression -a² - 2bc - |c| for a = -3, b = -5 and c = 2 is of 9.

<h3>How to find the numeric value of an expression?</h3>

The numeric value of an expression is found replacing each letter by it's attributed value.

In this problem, the expression is:

-a² - 2bc - |c|

The attributed values are:

a = -3, b = -5 and c = 2

Hence the numeric value will be given by:

-a² - 2bc - |c| = -(-3)² - 2(-5)(2) - |2| = -(9) + 20 - 2 = -9 + 18 = 9.

More can be learned about the numeric value of an expression at brainly.com/question/14556096

#SPJ1

4 0
11 months ago
Subtract 10x - 7 from 2x – 6.
hichkok12 [17]

(2x - 6) - (10x - 7) # Starting expression

-8x - 1 # Combine like terms

Final answer:

-8x - 1

Hope this helps!

8 0
2 years ago
Read 2 more answers
Isaiah has h baseball cards. Michael gas 7 more baseball cards than Isaiah. Write an expression for the number baseball cards th
deff fn [24]

Answer:

h + 7

because if Michael has 7 more than you just add 7 to Isiahs unknown

3 0
2 years ago
Factor the expression using 3 as one factor. 3x−30
posledela

Answer:

3(x - 10)

Step-by-step explanation:

3x - 30 = 3(x - 10)

6 0
2 years ago
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