Algebra 1 Midterm Review - Trashketball

Multi-step Eqs

1

8 = 5x-2

x = 2

1

3(x+7) = 30

x = 3

1

-5x = 6x +5 - x

x = -.5 or -1/2

1

-3(x + 9) = = -6

x = -7

1

2 (x + 3) = x -13

x= -19

Calculating Slope

1

(2,5) and (3,1)

-4

1

(-9,-5) and (6,-5)

0

1

x || y

1 || 18.5

2 || 22

7/2 or 3.5

1

What is the slope

y = 3x +2

3

1

(0, -2) and (4,-7)

4

Solving Systems of Eqs

1

Solve using Substitution:

y = 2x

y - x = 5

(5, 10)

1

x = 5

x + y = 8

(5, 3)

1

Solve using Elimination:

2x - 3y = 14

2x + y = -10

(-2, -6)

1

Solve using Elimination:

x + 6y = 1

2x - 3y = 32

(13, -2)

1

Solve using Elimination:

5x - 2y = -48

2x + 3y = - 23

(-10, -1)

Exponent Rules

1

x³ * x²

x⁵

1

(x³)⁴

x¹²

1

(4x³y^-2)²

16x⁶ / y⁴

1

m²y^-3 / g^-7

m²g⁷ / y³

1

3w³r^-2 / k^-1j^-5

3w³k¹j⁵ / r²

Vocab

1

The difference in x values of two points on the same line

What is the run?

1

Y - y₁ = m(x - x₁)

What is point slope form

1

a number multiplied by a variable

What is a coefficient?

1

A symbol used to represent a quantity that can change

What is a variable?

1

A statement formed by combining two simple inequalities with the words AND or OR is called...

A compound inequality