2 years ago

If y = x2 + x -1, find y if x = 3. y =

Mathematics

2 answers:

marishachu [46]2 years ago

8 0

Answer:

y=3

Step-by-step explanation:

y = 3x2 + 3x-1

y = 6 + -3

y = 3

Sati [7]2 years ago

6 0

Answer:

y=8

Step-by-step explanation:

y=2x+x-1

replace x with 3

y=2(3)+(3-1)

y=6+2

y=8

You might be interested in

Sara claims that the number of pages she has read in her book is proportional to the number of minutes that she has spent readin

nikitadnepr [17]

X = 77.789
y = 23...............................

4 0

3 years ago

How to do this problem

Dmitrij [34]

Sorry, I don’t know lol

3 0

3 years ago

Help me plzzzzzzz guyssss

maks197457 [2]

Answer:

1. 75%

2. 20%

3. 20%

4. decrease 5.4%

Step-by-step explanation:

1. 119-68=51, 51/68=0.75

2. 30-24=6, 6/30=0.20

3. 18-15=3, 3/15=0.20

4. 762-721=41, 41/762=0.0538

5 0

2 years ago

Jimmy has a diecast metal car that is a scale model of an actual race car. If the actual length of the car is 10 feet 6 inches a

kirill115 [55]

The scale factor would be -8 because...

126 inches / 7 inches = 8 inches.

Because the car is bigger than the scale, it would be a negative scale factor.

8 0

2 years ago

What is the distance between the two points?<br> (6, -2) and (-2, 4)

KengaRu [80]

Answer:

(8,6)

Step-by-step explanation:

count manually to get (8,6)

7 0

2 years ago