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Biblioteka

1.3 Formative Solving 1&2 Step Equations

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Posljednje ažuriranje 4 months ago
19
1
1
1
Pitanje 1
1.

Solve for x:  3x + 4 = 13
  a) 2    b) 3    c) 4    d) 5

Pitanje 2
2.

Solve for y:  


  a) 10   b) 30   c) 40   d) 25

Pitanje 3
3.

Which equation has the same solution 

as 2x - 7 = 5?
  a) 2x = -2    b) x - 7 = 5    c) x = -6    d) 2x = 12

A number divided by 8 is 7 more than 2.

1
Pitanje 4a
4a.

Write an equation.

1
Pitanje 4b
4b.

Solve for the number.

The sum of twice a number and 5 equals 21

1
Pitanje 5a
5a.

Write an equation.

1
Pitanje 5b
5b.

Solve for the number.

Maria is saving money to buy sneakers. She already saved $25 and adds $8 each week.

1
Pitanje 6a
6a.

Write an equation to find how many weeks it will take Maria to have $65.

1
Pitanje 6b
6b.

Solve the equation.

Error Analysis: A student solved:    

5x + 3 = 18 

5x = 21

x = 21.

1
Pitanje 7a
7a.

Identify the mistake.

1
Pitanje 7b
7b.

Solve correctly.

1
Pitanje 7c
7c.

Explain why your steps are correct.

A taxi company charges $4 plus $1.25 per mile.

1
Pitanje 8a
8a.

Write an expression to represent the cost for m miles.

1
Pitanje 8b
8b.

If the total cost was $17.50, how many miles did the passenger travel?

1
Pitanje 9a
9a.

Two students solved 3x - 2 = 10 differently.

Student A: Added 2 then divided by 3.  

Student B: Divided by 3 first then added 2.
    

Which method is correct?

1
Pitanje 9b
9b.

Explain.

1
Pitanje 10a
10a.

Streaming Service A charges $12/month plus a $36 activation fee.

Streaming Service B charges $18/month with no activation fee.

Write an expression for Streaming Service A after m months.

1
Pitanje 10b
10b.

Streaming Service A charges $12/month plus a $36 activation fee.

Streaming Service B charges $18/month with no activation fee.

Write an expression for Streaming Service B after m months.

1
Pitanje 10c
10c.