All categories

3 years ago

What is the equation of the line with an x-intercept of -1 and a y-intercept of 2?

Mathematics

1 answer:

svlad2 [7]3 years ago

3 0

Answer:

y = 2x + 2

Step-by-step explanation:

<em>(a) Slope </em>

The point-slope formula for a straight line is

y₂ - y₁ = m(x₂ - x₁)

The line goes through the points (-1, 0) and (0, 2).

2 – 0 = m[0 – (-1)]

2 = m

(b) y-intercept

y = mx + b

Use the point (0, 2)

2 = 2× 0+ b

2 = 0 + b

b = 2

∴ y = 2x + 2

You might be interested in

2x^4–5x^3+x^2+3x+2=?<br><br> X=5

DanielleElmas [232]

Answer:

$2x^4–5x^3+x^2+3x+2=$

$2 \times 5^4–5 \times 5^3+5^2+3 \times 5+2$

= 2 × 625 – 5 × 125 + 25 + 3 × 5 + 2

=1250 – 625 + 25 + 15 +2

= 1292 – 625

= 667

3 0

3 years ago

Solve this equation 7x+3=5(x-3)+2x

zaharov [31]

Answer: nonsense

Step-by-step explanation:

7x+3=5(x-3)+2x

7x+3=5x-15+2x

7x+3-5x+15-2x=0

18=0

Non-sense

8 0

3 years ago

How do you plot 2 2/3 on a number line?

Nastasia [14]

Answer:

find 2 then from 2 and 3 find about 2/3 of the way from 2-3 and plot it there

Step-by-step explanation:

5 0

3 years ago

The length of each side of a square was decreased by 2 inches so the perimeter is now 49 inches. What was the original length of

aleksley [76]

The Original length of each side of square was 14.25 inches.

Step-by-step explanation:

Perimeter of a square is given by:

Perimeter = 4 * side

Let x be the original length of each side of square

decreasing 2 inch will mean

$x-2$

Perimeter of square after reducing 2 inches from each side

$4(x-2) = 49\\4x-8 = 49\\4x = 49+8\\4x = 57\\\frac{4x}{4} = \frac{57}{4}\\x = 14.25$

So,

The Original length of each side of square was 14.25 inches.

Keywords: Perimeter, square

Learn more about perimeter at:

#LearnwithBrainly

5 0

3 years ago

PLEASE HELP ASAP!!!!!!!!!

viva [34]

Answer:

A: 5:1

B. 2:10

Step-by-step explanation:

Please mark brainliest!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

3 0

3 years ago