3 years ago

A line has slope 2/3 and y–intercept −2 which answer is the equation of the line?

Mathematics

1 answer:

NNADVOKAT [17]3 years ago

8 0

The answer for this is D

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Which of the following is a polynomial with roots: − square root of 5 , square root of 5 , and 3? (6 points)

Karo-lina-s [1.5K]

Let's check the first polynomial , that is

$P(x)= x^3 -3x^2 -5x+15$

We need to factor it first and for that we have to do grouping and factoring .

$P(x) = x^2(x-3)-5(x-3) \\ P(x) = (x^2 -5)(x-3)$

TO find the roots, we need to set P(x) to 0, that is

$(x^2 -5)(x-3)=0 \\ x^2 - 5= 0 , x-3 =0 \\ x^2 = 5 , x=3 \\ x = \pm \sqrt{5} , x=3$

SO the correct option is A .

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4 years ago

What ate all of the x-intercepts of the continuous function in the table?

Elodia [21]

Answer: (-4,0) and (4,0)

Step-by-step explanation:

Just look where the zeros are in the y (fx) column that corespont the the x.

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3 years ago

The cost of a catering prom is 250 plus $15 for each person attending. what is the cost of 150 people?

Anastasy [175]

Answer:

$2500

Step-by-step explanation:

First, multiply the $15 for the 150 people attending, to get 2250. Next, add the last $250 to get a total cost of $2500

Hopefully this helps- let me know if you have any questions!

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3 years ago

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Movie $5.50 Soda $1.75 Popcorn $2.25 Candy Bar $1.10 Jeffrey left home with $20 in his wallet. He had a quick lunch that cost $8

Grace [21]

He could do all of them

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4 years ago

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What is the following coordinates of (2,0) and (0,4)

34kurt

Answer:

(2, 0) and (0, 4) are coordinates in the form of (x, y)

(2, 0) -> x = 2, y = 0

(0, 4) -> x = 0, y = 4

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3 years ago