Question

3 questions i really need help





1.
(07.01)
Which of the values in the set {3, 4, 5, 6} is a solution to the equation 4x + 2 = 22? (4 points)


3

4

5

6
2.
(07.01)
Which of the values for x and y make the equation 3x + 4y + 6 = 26 true? (4 points)


x = 4, y = 2

x = 5, y = 6

x = 4, y = 3

x = 3, y = 5
3.
(07.01)
Which of the following sets shows all the numbers from the set {0, 0.5, 1, 2.5, 3} that make the inequality 2a + 3 ≥ 8 true? (4 points)


{2.5, 3}

{1, 2.5, 3}

{0, 0.5, 1}

{0.5, 1}

Answer 1

1
you can either solve the equation 4x + 2 = 22
or plug in the values 3,4, 5 and 6 in turn into the equation to see which one fits.

Answer 2

think its 4

Answer 3

i mean 6

Answer 4

solving this is easy
4x + 2 = 22
subtract 2 from both sides
4x = 20
now divide both sides by 4

x = ?

Answer 5

so 5

Answer 6

right

Answer 7

ahh ok i see

Answer 8

thx for the help :D

Answer 9

(facepalm)

Answer 10

i forgot i had another question

Answer 11

sorry gtg

Answer 12

Is this a test?

Answer 13

K cya no

pooja