Seudónimo Seudónimo

15-01-2017
Mathematics

contestada

"Find A and B so that the system below has the solution (1, -1)."
Ax+2By=0
2Ax-4By=16
Please show work and explain steps.

Respuesta :

ryster712 ryster712

15-01-2017

to do this you must plug in 1 and negative one for each x variable and each y. that solution is a point so the 1 must be tested for x and the -1 for y. do this and solve to find a and b so that it works in both equations!

Answer Link

Otras preguntas

x = 10 - y 3x - 2 = y Using the two equations above, solve for y.

Which factor cause Earth to experience seasons? Check all that apply.

Soil bacteria are responsible for any steps on the nitrogen cycle. Soil bacteria are NOT responsible for

Use the diagram to find the indicated measure. Use 3.14 for pi and round your answer to the nearest hundredths, 2 decimal places, if necessary. Find the radius.

It took team Infinite Dimensions 2 hours to hike 4 miles. Convert 4 2/3 to a fraction greater than 1.

4Al + 3O2 → 2Al2O3 Using the equation above, answer the following questions: How many moles of O2 would you need to react with 10 moles of Al? mol O2 How many

CAN I PLEASE GET HELP?? I HAVE ASKED THIS QUESTION 3 TIMES AND NO BODY HAS ANSWERED IT SO PLEASE I AM CRYING.... Which of the following statements shows a chara

Lee las frases e identifica si cada una es subjuntiva o indicativa. Después, escoge la opción que refleja el modo correcto. Read the sentences and identify if t

What verb makes the most sense in the sentence? 1. Usted______ lasana con sus amigos A) juega B) almuerza C)empezamos D)comes 2. Los estudiantes no_____comer

Which best describes the role of a secondary consumer in a food web?need help asapa.Carnivore that feeds on producersb.Herbivore that feeds on producersc.Herbiv