Keystone Algebra Review

Let f(x)=2x-8 and g(x)=x²-5. Evaluate f[g(3)]

• 0
• -1
• -9
• -6

Tags

CCSS.HSF-BF.A.1C

Let f(x)=2x-8 and g(x)=x²-5. Evaluate g[f(3)]

• 0
• -1
• -9
• -6

Tags

CCSS.HSF-BF.A.1C

True or False: Expressions are evaluated, equations are solved.

• True
• False

Tags

CCSS.6.EE.A.2C

To ___________________  an expression is to write it in a form that uses fewer symbols, and/or makes it easier to understand.

• Substitute
• Solve
• State
• Simplify

When ___________________, it is always a good idea to use parentheses

• Substituting
• Simplifying
• Solving
• Distributing

Tags

CCSS.7.EE.A.1

Which of the following relations is an identity (always true)?

• x + x = 2x
• x + x = 3x
• x = y
• 1 + 1 = 3

Tags

CCSS.8.EE.C.7A

Which of the following relations is a contradiction (always false)?

• x=y
• x < y
• x > y
• x > x

Tags

CCSS.8.EE.C.7A

Two numbers are opposites of each other if and only if their _____________ is zero.

• Difference
• Sum
• Product
• Quotient

Tags

CCSS.7.NS.A.1B

Two numbers are reciprocals of each other if and only if their __________________ is 1.

• Difference
• Sum
• Product
• Quotient

Examples of these include add, subtract, multiply and divide...

• Properties
• Expressions
• Operations
• Relations

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2