Lesson 1-2 Flashcards

1

-12 - (-5)

-17
-7
7
17

2

A constant is..... (1 answer)

an unknown
represented by a letter
a value that does not change
a value that's always changing

3

Use order of Operations to Simplify: 2 + 3 ÷ (1 + 12 ÷ 6)

3
1.66
3.2
2

4

Evaluate 2ab for a=6 & b=3

18
11
263
36

5

Evaluate 2x + y for x=4 & y=5

40
28
13
10

6

Choose the correct algebraic expression for: r less than negative 4

4r
r + 4
-4 - r
r - (-4)

7

-4 -16

12
-12
20
-20

8

Which situation is best modeled by the expression 25 - x

Sarah has driven x miles of a 25-mile trip
Joan pays $25 of an x dollar lunch that she shares w/ Ariel
George places x more video games on a shelf with 25 games
Jorge has 25 boxes full of x basketball cards each

9

Answer the question below:

12 ÷ 5
12 - 5
12 + 5
12(5)

10

A mathematical expression.....

has an equal sign
does NOT have an equal sign
is like x+3=2
a mathematical sentence

11

Answer the question below:

3 + b
b + 3
3 - b
b - 3

12

Choose the correct algebraic expression for: the product of 6 & p

6 - p
6p
6 ÷ p
6 + p

13

Choose the correct algebraic expression for: the difference of 12 & z

12 + z
12 - z
z - 12
12z

14

11/2 + 2/3

13/5
37/5
13/6
37/6

15

3(2+2k)

6 + 6k
6 + 2k
5 + 5k
12k

Lesson 1-2

Questions 15

Lesson 1-2

Questions 15