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3 years ago

Write equation line that passes through (2,2) and is parallel to line y=3x+9

Mathematics

1 answer:

White raven [17]3 years ago

4 0

Answer:

Step-by-step explanation:

The slope is in the given line. It is the number in front of the x which is 3.

So far what you have is

y = 3x + b

Now use the point to find b

x = 2

y = 2

Substitute

y = 3*2 + b

2 = 6 + b

2 - 6 = b

b = - 4

y = 3x - 4

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3 years ago

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3 years ago

Factorize: 3a^2 + 10a + 3

sergey [27]

Answer: (3a + 1) (a + 3)

Step-by-step explanation:

Concept:

Here, we need to know the idea of factorization.

It is like "splitting" an expression into a multiplication of simpler expressions. Factoring is also the opposite of Expanding.

Solve:

Given = 3a² + 10a + 3

STEP ONE: separate 3a² into two terms

STEP TWO: separate 3 into two terms

STEP THREE: match the four terms in ways that when doing cross-multiplication, the result will give us 10a.

3a 1

a 3

When cross multiply, 3a × 3 + 1 × a = 10a

STEP FOUR: combine the expression horizontally to get the final factorized expression.

3a ⇒ 1

a ⇒ 3

(3a + 1) (a + 3)

Hope this helps!! :)

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3 years ago

NEED ANSWER ASAP WILL GIVE BRAINLIEST FOR CORRECT ANSWER

Arisa [49]

Answer:

y = 8x

Step-by-step explanation:

Since slope is 8/1 which is equal to 8 and x-intercept is 0.

Put these in slope-intercept equation i.e y = mx + b

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2 years ago

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KATRIN_1 [288]

Answer:

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3 years ago

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Write equation line that passes through￼ (2,2) and is parallel to line y=3x+9￼

Write equation line that passes through (2,2) and is parallel to line y=3x+9