3 years ago

What is the value of 7x^2 + 3x + 4 when x=2?

Mathematics

2 answers:

Nonamiya [84]3 years ago

8 0

Answer:

Step-by-step explanation:

substitute the value of the variable into an equation, then simplify

DerKrebs [107]3 years ago

3 0

Answer:

Step-by-step explanation:

To find the value of 7x^2 + 3x + 4 when x=2. We have to plug in x. So plugging x in, we have

7(2)^2 +3(2) +4

and this becomes

7(4) + 6 +4

8(4)+6

which is 38

You might be interested in

Use the distributive property to write each expression then evaluate it 7(7-9)

valkas [14]

Answer:

49-63

Step-by-step explanation:

1. (7·7) - (7·9)

2. (49) - (63)

3. 49 - 63 = -14

Hoped I helped!! :)

8 0

2 years ago

Read 2 more answers

Which equation best presents the relationship between x and y in the graph?

masya89 [10]

5x and 7y. Keep up the good work

5 0

2 years ago

A company manufacturing company small solid plastic cubes .They use the expression s3 to find the volume of plastic needed to ma

DanielleElmas [232]

Yes, Luis is correct.
If s is equal to the the side length, then in the problem, s is equal to 8 millimeters. 8 x 3 is equal to 24, which would equate to 24 cubic millimeters.

4 0

2 years ago

Determine the intercepts of the line.<br> 4x – 1= 3y + 5<br> x-intercept:(_,_)<br> y-intercept:(_,_)

BARSIC [14]

Answer:

X-intercept: (1.5,0)

y-intercept: (0,-2)

the 1.5 can also be written as 3 over 2 in fraction form.

Hope this helps! :)

4 0

2 years ago

PLEASE HURRY!! The graph shows the distance traveled by two cars over several minutes.

tamaranim1 [39]

Im late but i had this test its car A < rate of car B hope it helps

6 0

2 years ago

Read 2 more answers