Unit 1 Review Algebra 1 CP

1) When you add two rational numbers, the sum is always .....

• rational

• irrational

When you add a rational number and an irrational number, the sum is always . . .

• rational

• irrational

When you a multiple two rational numbers, the product is always ....

• rational

• irrational

Write the correct expression then tell me rational or irrational:

the product of 1/3 and 4/5

• 1/3 * 4/5; rational

• 1/3 * 4/5; irrational

• 1/3 + 4/5; rational

• 1/3 + 4/5; irrational

Write the correct expression then tell me rational or irrational:

the sum 3√5 and 2√7

• 3√5 * 2√7; rational

• 3√5 * 2√7; irrational

• 3√5 + 2√7; rational

• 3√5 + 2√7; irrational

Expand 5^-3

• (-5)(-5)(-5)

• (5)(5)(5)

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• 

Evaluate a³b^-4c⁰ for a = 4, b = -6, and c = 10.

• -4/81

• 40/81

• 4/81

• -40/81

Simplify (1/3)^-3

• 27

• -27

• 1/27

• -1/27

Evaluate

• 
• 
• 
• 

Tags

CCSS.HSN.RN.A.2

Why is -5x²y^-5 not simplified?

• -5; can't have a negative coefficient

• cannot have 2 variables

• y^-5; cannot have a negative exponent

• it is simplified