Alg 1 1st Nine Weeks Benchmark Study Guide

The sum of two rational numbers is

• always irrational

• both rational and irrational

• can be either rational or irrational depending on the rationals used

• always rational

Tags

CCSS.7.NS.A.1D

The product of two rational numbers is

• always irrational

• both rational and irrational

• can be either rational or irrational depending on the rationals used

• always rational

Tags

CCSS.HSN.RN.B.3

The sum of a rational number and irrational number is

• always irrational

• both rational and irrational

• can be either rational or irrational depending on the rationals used

• always rational

Tags

CCSS.HSN.RN.B.3

The product of a nonzero rational number and irrational number is

• always irrational

• both rational and irrational

• can be either rational or irrational depending on the rationals used

• always rational

Tags

CCSS.HSN.RN.B.3

Simplify:

 $3\sqrt{45x^6}+7\sqrt{5x^6}$  

•  $10\sqrt{50x^{12}}$  

•  $19\sqrt{50x^{12}}$  

•  $16x^3\sqrt{5}$  

•  $50x^3\sqrt{5}$  

Simplify:

 $\left(2\sqrt{2}+3\sqrt{7}\right)\left(5\sqrt{2}+2\sqrt{7}\right)$  

•  $25+19\sqrt{2}$  

•  $25+19\sqrt{14}$  

•  $62+19\sqrt{7}$  

•  $62+19\sqrt{14}$  

Tags

CCSS.HSN.RN.A.2

 $12.54\ m=$  _________ $cm$  

Tags

CCSS.4.MD.A.1

 $457\ mL=$  _________ $L$  

Tags

CCSS.5.MD.A.1

 $0.55\ g=$  _________ $mg$  

Tags

CCSS.4.MD.A.1

 $5\ dm=$  _________ $m$  

Tags

CCSS.5.MD.A.1