mperez35641 mperez35641
  • 25-01-2017
  • Mathematics
contestada

how do i evaluate 3X + y for X = 2 and y = -1

Respuesta :

granthouston01 granthouston01
  • 25-01-2017
3(2) + -1
6-1=5

6-1 is from the 1 being a negative already.
Answer Link
MusicFreak
MusicFreak MusicFreak
  • 25-01-2017
When you see a coefficient (the number next to the letter) next to a variable (the letter), you multiply. So 3*2=6 So you have: 6+y, or since y=-1, 6+(-)1= 5
Answer Link

Otras preguntas

When a crocodile has birds in its mouth, what symbolic relationship does it represent?
explain how to solve the inequality below. (solve and explain the steps please, do not just put the answer) -2x + 4 < 14
When collecting temperature as a function of time for the reaction of KOH with HCL, which time is most significant
A social media website had 350,000 followers in 2010. The number y of followers increases by 2% each year. a. Write an exponential growth function that represen
What is most likely the authors point in including the following metaphor?
7th grade math help me pleasee
CAN SOMEONE PLEASE ANSWER 11,13,14,15 ? MARKING BRAINLIST AND GIVING 50 PONITS . DONT ANSWER IF U DONT KNOW PLEASE .
y is inversely proportional to the square of x y = 8 when x = 3.5
which is not a federal cabinet department? a. Homeland Security b. veterans Affairs c. Energy d. Foreign Relations
HELP QUICK! I GIVE BRAINLIEST!! What are the correct values for the missing boxes in the ratio table in number 3 above A. 66 pencils and 6 erasers B. 30 pencils