semester 1 review pre-algebra ( equations, rational numbers)

Front

Solve the equation: 4x - 5x + 9 = 5x - 9

Back

x = 3

Front

Write an equation for Connor's lemonade stand where he has sold 15 cups and sells 5 more per hour.

Back

y = 5x + 15

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Front

What is 5 cubed? (5^3)

Back

125

Tags

CCSS.6.EE.A.1

Front

Bob's Plumbing charges $15 per hour plus a service fee of $40. Write the equation that models this situation.

Back

y = 15x + 40

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Front

What is 2 cubed? (2^3)

Back

8

Front

Define a rational number.

Back

A rational number is any number that can be expressed as the quotient or fraction of two integers, where the denominator is not zero.

Tags

CCSS.5.NBT.A.2

Front

What is the formula for solving a linear equation in one variable?

Back

Isolate the variable on one side of the equation.

Tags

CCSS.7.EE.B.4A

Front

What does it mean to cube a number?

Back

Cubing a number means raising it to the power of three, which is multiplying the number by itself three times.

Tags

CCSS.8.EE.A.2

Front

What is the slope-intercept form of a linear equation?

Back

y = mx + b, where m is the slope and b is the y-intercept.

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

How do you find the y-intercept of a linear equation?

Back

Set x = 0 in the equation and solve for y.