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2 years ago

What is the equation of a line with slope 2 and intercept 4?

Mathematics

2 answers:

xz_007 [3.2K]2 years ago

7 0

Answer:

Y = 2x + 4

Step-by-step explanation:

The slope-intercept equation is y = mx + b

M = slope and b = intercept

To make the equation all you have to do is insert the numbers.

So:

Since the slope is 2:

Y = 2x + b.

Since the intercept is 4

Y = 2x + 4.

Greeley [361]2 years ago

3 0

The linear equation/slope intercept form is y=mx+b

M is the slope and b is the y-intercept.

So the equation would be: y=2x+4

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James is 8 years old. Last year, his father was 4 times as old as he was. In how many years' time will their combined age be 51?

Snowcat [4.5K]

Last year He was 7 years old.

His father is 4 times the age 7 x 4 = 28

Last year his dad was 28, so this year he is 29.

Combined age this year = 29 + 8 = 37

51 - 37 = 14 years

14/ 2 people = 7 years

8 + 7 = 15

29 + 7 = 36

15 + 36 = 51

It will take 7 years.

7 0

3 years ago

Find the slope of the line

natta225 [31]

Answer:

slope = - 1

Step-by-step explanation:

Calculate the slope m using the slope formula

m = $\frac{y_{2}-y_{1} }{x_{2}-x_{1} }$

with (x₁, y₁ ) = (- 1, 4) and (x₂, y₂ ) = (2, 1)

m = $\frac{1-4}{2+1}$ = $\frac{-3}{3}$ = - 1

4 0

3 years ago

Read 2 more answers

Please help me on this problem

Orlov [11]

Answer:

The Proof with Figure, Statement and Reasons is given below.

Step-by-step explanation:

Given:

∠DAF ≅ ∠EBF,

DF ≅ FE

Prove:

Δ ADF ≅ Δ BFE

Proof:

Statements Reasons

a. ∠DAF ≅ ∠EBF ...........................Given

48. ∠DFA ≅ ∠EFB ..........................Vertical Angles are congruent

DF ≅ FE ...........................49. Given

50. Δ ADF ≅ Δ BFE .........................By Angle-Angle-Side test

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3 years ago

ΔABC will undergo two transformations to give ΔA′B′C′. Which pair of transformations will give a different image of ΔABC if the

Marta_Voda [28]

a rotation 90° counterclockwise about the origin followed by a reflection across the y-axis

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3 years ago

How is the graph of y = -8x2 - 2 different from the graph of y = -8x2?

Aleks04 [339]

Answer:

(Answer D)

Step-by-step explanation:

Please use " ^ " to indicate exponentiation: y = -8x^2 - 2, y = -8x^2

The graph of y = -8x^2 is an inverted parabola with vertex at (0, 0).

That of y = -8x^2 - 2 is the same as above, except that the whole graph has been shifted 2 units down (Answer D).

4 0

3 years ago