Miss Antonucci's Midterm Review 1

Expressions

100

2x + 3x - 4y

5x - 4y

200

5 - |-3| + |-7|

9

300

-12x + 4 - 3x - 11

-15x - 7

400

|-12| + |-5| + 2³

25

500

Evaluate for x = 2, y = 4, z = -3:

-15z - 6y + 3x

27

Inequalities

100

Graph:

x <= 9

Closed circle on the 9. Arrow pointing left.

200

Pick the correct answer:

x/2 > 9

a. 2      b. 20     c. 6     d. 8

b. 20

300

Solve and Graph:

3x < -60

x < -20

Open circle on the -20. Arrow pointing left.

400

Solve and graph:

-7x - 3 < 18

x > -3

Open circle on -3. Arrow pointing right.

500

Solve and graph:

4(5x + 2) <= 28

x <= 4

Closed circle on 4. Arrow pointing left.

Translate

100

Translate:

The quotient of n and 3

n / 3

200

Riley wants to buy emoji stickers from a website. They cost $2 each and shipping is $7. How many stickers can she buy with $109?

Riley can buy 51 stickers.

300

Translate into an algebraic expression:

nine less than the total of a number and 2

(x + 2) - 9

400

When 6 is added to four times a number, the result is 50. What is the equation and what is the number?

6 + 4x = 50

x = 11

500

On a test, the highest grade was 42 points higher than the lowest grade. The sum of the two grades was 138. What is the equation and what is the lowest grade?

x + (x + 42) = 138

x = 48

Laws of Exponents

100

x⁰

1

200

25xy^-2

25x / y²

300

-15w²⁰ / 3w⁷

-5w¹³

400

-3x³ * -6x⁹

18x¹²

500

9⁰ * (7x)²

49x²

Properties or Equations

100

Name this property:

4(x - 3) = 4x - 12

Distributive Property

200

Solve for x:

-4x + 5 = 21

x = -4

300

Solve for x:

-12 - 4x + 10x = 60

x = 12

400

Name the property:

y + z = z + y

Solve for x:

4/3 b - 2 = 10

Commutative Property

x = 9

500

Solve for x:

-7(x-3) + 5x = 4x - 3

x = 4