Friday Quiz 9/27 (Evaluate Exp/Real # System)

What is an algebraic expression?

• An expression that contains one or more numbers

• An expression that contains one or more variables

• An expression that contains only constants

• An expression that contains only operations

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.6

To evaluate an algebraic expression, what should you do with the variables?

• Ignore them

• Replace them with their given values

• Multiply them by 2

• Add 1 to each variable

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.6

Evaluate the expression 7x + 4y if x = 5 and y = -3.

• 23

• 11

• 17

• 29

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.6

Evaluate the expression 9a² - 2b² if a = 4 and b = 7.

• 100

• 50

• 46

• 10

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.6

CCSS.6.EE.A.1

What operation is performed after replacing variables in an expression?

• Follow the order of operations

• Add all terms

• Subtract all terms

• Multiply all terms

Tags

CCSS.6.EE.A.2

If b = 7, what is the value of 4b²?

• 196

• 49

• 784

• 14

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.6

CCSS.6.EE.A.1

What do you call the set of numbers that contain all rational and irrational numbers?

• Rational

• Irrational

• Integers

• Real Numbers

Tags

CCSS.HSN.RN.B.3

All numbers are _______ numbers.

Natural numbers are ______ integers.

• always

• sometimes

• never

Real numbers are ____________ rational numbers.

• always

• sometimes

• never

Tags

CCSS.HSN.RN.B.3