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Law Incorporation [45]
3 years ago
13

lie is solving the quadratic equation by completing the square. 3x2 + 18x – 8 = 0 3x2 + 18x = 8 What should Lie do next?

Mathematics
2 answers:
ra1l [238]3 years ago
8 0

Answer: In the next step, he takes the factor 3 out of the variable terms and divide it to the other side.

Step-by-step explanation:

ruslelena [56]3 years ago
3 0
Divide 18 by 2(9) then square that (81). add 81 to both sides
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2 years ago
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Solve.<br> x² + 5x – 2=0
ExtremeBDS [4]

Answer:

1

Use the quadratic formula

=

−

±

2

−

4

√

2

x=\frac{-{\color{#e8710a}{b}} \pm \sqrt{{\color{#e8710a}{b}}^{2}-4{\color{#c92786}{a}}{\color{#129eaf}{c}}}}{2{\color{#c92786}{a}}}

x=2a−b±b2−4ac​​

Once in standard form, identify a, b, and c from the original equation and plug them into the quadratic formula.

2

+

5

−

2

=

0

x^{2}+5x-2=0

x2+5x−2=0

=

1

a={\color{#c92786}{1}}

a=1

=

5

b={\color{#e8710a}{5}}

b=5

=

−

2

c={\color{#129eaf}{-2}}

c=−2

=

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5

±

5

2

−

4

⋅

1

(

−

2

)

√

2

⋅

1

Step-by-step explanation:

this should help

8 0
3 years ago
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Pyramids and cones have how many base
Blababa [14]

Answer:

pyramids and cones have 1 base.

Step-by-step explanation:

4 0
2 years ago
Can a -150/10 be classified as both a rational number and a integer
irakobra [83]
Yes! This is because -150/10 can be simplified to be -15, which is a rational number.

The word “rational” sounds like another math word you’ve heard of before. Do you know what it is?

Well, it’s “ratio”!! Ratios can be seen in the forms x:y and x/y.


ANY RATIONAL NUMBER HAS THE ABILITY TO BE WRITTEN AS A RATIO!! This will completely exclude numbers with super long decimal points (ex: 1.2345678809928374737272828...)

This number also meets the requirements of being an integer. An integer is any whole number (this excludes decimals and fractions)

I know it’s written as a fraction. However, the fraction could be simplified, making it -15, which means this is both a rational number and an integer!!
6 0
3 years ago
Bob and Ray mix 84 chocolate chips evenly into 7 cups of cookie dough. Bob thinks there will be 14 chocolate chips in each cup o
Softa [21]
Ray is correct because 84/7 = 12
4 0
3 years ago
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