Systems of equations: Substitution

What is the definition of a solution?

• A value that makes the equations greater

• A value that makes equations equal

• The x and y values that are the same

x = 4

y = x + 8

What is the solution?

• (12,4)

• (4,4)

• (4,12)

• (-4,-4)

Tags

CCSS.8.EE.C.7

When using the __________ method, you plug in a value into an equation to solve for another variable value.

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

^{What is the solution?} 

• 1
• -2
• (1, 2)
• (1, -1)

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6

x = 3

y = 2x + 5

• (11,3)

• (3,11)

• No Solution

• (3,10)

Tags

CCSS.HSA.REI.C.6

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.11

If you solved an equation and ended up with

-10= -10

What type of solution do you have?

Tags

CCSS.HSA.REI.B.3

Parallel Lines never intersect because...

• they have the same slopes. 
• they have the same y-intercept.
• they have different slopes.
• they have different y-intercepts. 

Tags

CCSS.HSG.CO.A.1

CCSS.HSG.CO.C.9

CCSS.HSG.GPE.B.5

How many solutions will this system have?

• No Solution
• Infinitely Many Solutions
• No Clue
• One solution

Tags

CCSS.HSA.REI.C.6

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.11

What is the y-intercept of this graph?

• (0,1)
• (0,-2)
• (0,0)
• (0,3)

Tags

CCSS.HSF.IF.B.4

CCSS.HSS.ID.C.7

solve by substitution: y=3x+14
y=-4x

• y=3
• y=1
• y=2
• y=4

Tags

CCSS.HSA.REI.C.6

CCSS.HSA.REI.D.11