1/27-28: Systems of EQ Review

1/27-28: Systems of EQ Review

By Seashell HS]

Open Ended

Take a couple of minutes and tell me some good things that have happened recently!

Poll

How are you feeling this Today?

• Ready to Learn

• Still Sleepy

• Feeling Overwhelmed

• Don’t Know Where to Begin

• Unsure

Poll

How did you sleep last night? 1 star = bad :( 5 star = Great!

• ☆

• ☆☆

• ☆☆☆

• ☆☆☆☆

• ☆☆☆☆☆

Poll

What tree do you feel like today?

Poll

Would you rather?

• Go to the Beach

• Go to the Mountains

Open Ended

Warm Up: List all of our algebraic methods for solving systems of equations.

Multiple Choice

The first step in solving using the substitution method is __________.

• get x by itself

• get y by itself

• get either variable by itself in one equation

• add the equations together

Multiple Choice

y = -6
-3x - 6y = 24

• (6, 6)
• (6, -6)
• (4, -6)
• (-6, 4)

Multiple Choice

What is the solution to the system of equations? 
y = 3x - 8
y = 4 - x

• (3,1)
• (1,3)
• (-3,1)
• (3,-1)

Multiple Choice

Solve:
x = -3y - 17
2x + 3y = -7

• (1, -20)
• (3, 0)
• (-5, -2)
• (10 , -9)

Multiple Choice

solve by substitution: y=3x+14

y=-4x

• (2, 8)

• (-2, -6)

• (-2, 8)

• (-2, -4)

Multiple Choice

Solve using Elimination Method:

x - y = 11

2x + y = 19

• (10,-1)

• (-1,10)

• (3,-4)

• (6,7)

Multiple Choice

Solve using Elimination Method:

4x+ 9y = 28

-4x -y = -28

• (-7,0)

• (6,0)

• (-6,0)

• (7,0)

• (6,7)

Multiple Choice

Solve the system:

x + 6y = 17

-x + 3y = -8

• (5, 2)

• (11, 1)

• (1, 11)

• no solution

Multiple Choice

Solve the system by elimination.

−4x − 4y = 0

4x + 4y = 0

• (−6, −4)

• Infinite number of solutions

• No Solution

• (6, 4)

• (0,0)

Multiple Choice

Solve using Elimination Method:

9x - 4y = 7

x - 4y = -17

• (-1,5)

• (-7,5)

• (7,5)

• (3,5)

REVIEW

Some text here about the topic of discussion

Multiple Choice

What type of slope would the graph of the equation
  y  =  x  -  5   have?

• positive
• negative
• zero
• no slope (undefined)

Multiple Choice

What is the equation of this line?

• y  =  - x + 3
• y = -3/2 x + 3
• y = - 2 x + 3
• y = 3/2 x + 2

Multiple Choice

• y=-3x+1

• y=3x+1

• y=1/3x+1

• y=-1/3x-1

Multiple Choice

• y=-5x+5

• y=-x+5

• y=x+1

• y=-x+1

Multiple Choice

When graphing slope we....

• Run / Rise
• Rise / Run
• (rise, run)
• Run far away.

Multiple Choice

What is the slope of a vertical line? 

• 0
• Undefined
• 1
• 10

Multiple Choice

What type of slope?

• undefined
• positive slope
• negative slope
• zero slope

Multiple Choice

Write the equation of the line.

• y=-3x-4
• y=-4x-3
• y=(-3/4)x-3
• y=(-4/3)x-3

Multiple Choice

What is the rate of change for the following:
(4,5) (2, 15) 

• -1/5
• 1/5
• -5
• 5

Multiple Choice

Find the rate of change

• 1
• 2
• 11
• Not a constant slope/Non-Linear

Multiple Choice

Find the rate of change between the points (-2 , 10) & (4 , 14)

• 2/3

• 3/2

• -2/3

• 2/1

Multiple Choice

Find the rate of change.

• -2 minutes per gallon
• -20 minutes per gallon
• -2 gallons per minute
• -20 gallons per minute

Multiple Choice

Write the equation of the line.

• y = -1/3x - 2
• y = 1/3x - 2
• y = 3x - 2
• y = -3x - 2

Multiple Choice

Which equation matches the graph?

• y = 4x
• x = 4
• y = x + 4
• y = 4

Multiple Choice

Which equation matches the graph given?

• -x + y = 1
• x + y = 1
• y + x = -1
• x - y = 1

Multiple Choice

Simplify the following

• 5x + 6

• 11x

• 11

• 6 - 5x

Multiple Choice

Simplify the following

• 5 + 3x

• 8x

• 8

• 3x + 5x

Multiple Choice

Simplify.

• 5x + 8
• 11x
• 11
• 6x + 3

Multiple Choice

Simplify.

• 10 + 6x
• 6x + 10x
• 16x
• 8x + 3

Multiple Choice

What term is represented by the algebra tiles?

• 6
• -6
• 6x
• -6x²

Multiple Choice

What term is represented by the algebra tiles?

• 8
• -8
• -8x
• -8x²

Multiple Choice

What is the value for x?

• x = 1/5

• x = 5

• x = 0.5

• x = 0.05

Multiple Choice

What is the value for x?

• x = 8

• x = 1/8

• x = 2

• x = 4

Multiple Choice

What is the value of x?

• x = 5

• x = 1

• x =2

• x = 1/5

Multiple Choice

Which equation represents x = 2