jennyLem3mak4a jennyLem3mak4a

15-03-2017
Mathematics

contestada

In slope-intercept form, what is the equation of the line containing the points (−1, 2) and (2, −1)?

Respuesta :

KellenJCole KellenJCole

15-03-2017

y2 - y1 over x2 - x1 = slope
2 - (-1) = 3
-1 - 2 = -3
the slope is 3/-3, or -1
y = -x
2 = 1 + 1
The equation of the line is y = -x + 1

Answer Link

Otras preguntas

Why are skilled human rescources necessary for the development of a country?

If the length of a rectangle is x - 3 and the breadth is x - 5, what is the area of the rectangle?

Which sentence from the article supports the MAIN idea of the article? (A) (B) (C) (D) At a recent training camp, he was laughing about how unfashionable his ne

Ed needed to extend the string on his kite. The current string was 9 3/4 feet. He cut a piece of string that measured 2.5 feet and added it to the existing stri

A school sports team sold candy bars to raise money for new uniforms. The table shows the amount of candy sold each week for three weeks. Week Amount Sold Week

The price of an item was 215,000 at the beginning of the year and 223.60 at the end of the year, what was the inflation rate ?

3 h ht Which detail best shows the speaker's purpose in this excerpt? O "Make up your minds that happiness depends on being free." O "Let there be no relaxation

please help!! If a mass on a spring is 9 kg and the spring constant is 1 N/m, what would be its period? A. 3 s B. π s C. 6 πs D. 3 πs

a person deposited rs 80000 in a bank at the rate of 12%p.a. interest compounded semi annually for 2 years after 1 year the bank revised its policy to pay the i

How many grams of sodium fluoride (NaF) are dissolved in 3.75 L of a 1.55 M solution? Molar Mass Na: 22.99 g/mol Molar Mass F: 19.00 g/mol