Semester 1 Final Review

Semester 1 Final Review

Lesson 1.1 Variables in Algebra Evaluate the variable expression when x = 4

10 - x



11x



x16



x + 9


1.2 Exponents and Powers Evaluate the variable expression when x = 3

x - 10


1.2 Evaluate the variable expression when x = 3

(10 - x)2



x2



10(5x)


Lesson 1.2 Order of Operations

Evaluate 550 – 4(3 + 5)2


1.4 Equations and InequalitiesCheck to see if x = 4 is a solution of the equation:

5x + 3 = 18


1.4 Equations and InequalitiesCheck to see if x = 4 is a solution of the inequality:

7x – 5 > 20


Lesson 1.8 An Introduction to Functions.Make an input-output table for the equation:

y = 5x + 10x y1

2

3

4

Semester 1 Final ReviewDecide whether the statement is

true or false

(2 2)∙ 2 = 2 2∙ 2


true or false

5 – 2 = 2 - 5


true or false

The sum of one and one million is one million and

one.


true or false

x2 = 16 when x = 4


true or false

8x > x4 when x = 2


true or false

24 < x2 when x = 5


Write the numbers in increasing order

5, -10, -6, 10, -3, 4



8, -4.3, -5.2, 2.3, -9, 3



2, -2, -⅗, -⅘, ⅕, 4


Find the opposite of the number

-10


Find the opposite of the number

2


Evaluate the expression.

I 7 I



I -12 I



-I 2.5 I



-I -⅕ I


Find the sum

3 + (-4)


Find the sum

-15 + 21


Find the sum

7 + (-12) + 4


Find the sum

6 + 4.5 + (-1.5)


Find the difference

-5 - 5


Find the difference

12 – (-12)


Find the difference

10 – (-3) – (-7)


Find the difference

-2.25 – (-1.75) – (-0.5)


Find the Product

-5(3)


Find the Product

-4(50)


Find the Product

-6(4)(-5)


Find the Product

-5(8)⅛


Simplify the expression

-2(-x)



4(-x)(-x)



(-2)(3)(x)(x)(x)



-10(-x)2


Simplify the expression.

x2 – 3 + x2



10x + 3(10 – x)



-2(x + 4) + 100



5(x + 3) + 5(x – 2)


Use the distributive property to rewrite the expression without parentheses.

(x + 2)4



5(2 – x)



(8 + x)(-4)



(-2)(2 – x)

Semester 1 Final Review

Documents

Transcript of Semester 1 Final Review