How many solutions does the equation 4s + 8 = 3 + 5 + 4s have?
Two
None
One<...
Mathematics, 30.03.2020 17:47 kay7766
How many solutions does the equation 4s + 8 = 3 + 5 + 4s have?
Two
None
One
Infinitely many
Question 3(Multiple Choice Worth 5 points)
(07.05 LC)
What is the value of x in the equation βx = 3 β 4x + 6?
β9
β3
3
9
Question 4(Multiple Choice Worth 5 points)
(07.06 LC)
Which statement is true about the equation fraction 3 over 4z β fraction 1 over 4z + 1 = fraction 2 over 4z + 1?
It has no solution.
It has one solution.
It has two solutions.
It has infinitely many solutions.
Question 5(Multiple Choice Worth 5 points)
(07.03 LC)
How many solutions does the equation 6z β 3z β 7 = β2 + 3 have?
Two
None
Infinitely many
One
Question 6(Multiple Choice Worth 5 points)
(07.06 MC)
What is the solution to the equation 1.2m β 0.8 = β2.0m?
m = 0.25
m = 0.4
m = 1
m = 4
Question 7(Multiple Choice Worth 5 points)
(07.03 MC)
What is the value of z in the equation 2(4z β 9 β 7) = 166 β 46?
19
21
26
34
Question 8(Multiple Choice Worth 5 points)
(07.01 LC)
What is the value of x in the equation β6 + x = β2?
8
4
β4
β8
Question 9(Multiple Choice Worth 5 points)
(07.02 LC)
How many solutions does the equation β5a + 5a + 9 = 8 have?
None
One
Two
Infinitely many
Question 10(Multiple Choice Worth 5 points)
(07.05 MC)
Which of these is a simplified form of the equation 7y + 7 = 9 + 2y + 2y?
3y = 2
7y = 6
11y = 16
4y = 16
Question 11(Multiple Choice Worth 5 points)
(07.03 LC)
The steps below show the incomplete solution to find the value of m for the equation 4m β 2m + 4 = β1 + 13:
Step 1: 4m β 2m + 4 = β1 + 13
Step 2: 4m β 2m + 4 = 12
Step 3: 2m + 4 = 12
Which of these is most likely the next step?
2m = 3
2m = 8
2m = 16
2m = 18
Question 12(Multiple Choice Worth 5 points)
(07.05 HC)
The work of a student to solve the equation 4(2x β 4) = 8 + 2x + 8 is shown below:
Step 1: 4(2x β 4) = 8 + 2x + 8
Step 2: 6x β 8 = 16 + 2x
Step 3: 6x β 2x = 16 + 8
Step 4: 4x = 24
Step 5: x = 6
In which step did the student first make an error and what is the correct step?
Step 2; 8x β 4 = 2(6 + x + 6)
Step 2; 8x β 16 = 16 + 2x
Step 3; 6x β 2x = 16 β 8
Step 3; 6x + 2x = 16 + 8
Answers: 1
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