Find Intersection of Two Equations

What is the x-coordinate of the point where the lines intersect?

Mathematical Equivalence

ON

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the x-coordinate of the point where the lines intersect?

Mathematical Equivalence

ON

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

If the line y = 2x − 6 intersects the line x = 10 at the point (10, b), what is the

value of b?

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the y-value of the point at which the graphs of the equations intersect?

• 2.5

• -1.5

• 1.5

• 3

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

y = x + 24
y = -7x

• -3,21

• 3,21

• 2,21

• -2,0

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Find the simultaneous solution

• (6, 8)

• (8, 6)

• (-6, 8)

• No solution

Tags

CCSS.8.EE.C.8B

What is the point of intersection?

• (1, -1)

• (-1, 1)

• (0, -2)

• (2, 0)

Tags

CCSS.8.EE.C.8B

What are the solutions?

• x=1, y=-1

• x=-1, y=1

• x=0, y=-1

• x=1, y=0

Tags

CCSS.8.EE.C.8B

Solve:

3x + 2y = 15

7x + 2y = 19

• x = 1

  y = 6

• x = -1

  y = 6

• x = 1

  y = -6

• x = -1

  y = -6

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the solution to the system of equations?

• (5, 2)

• (2, 5)

• (-5, 2)

• (-2, -5)

Tags

CCSS.8.EE.C.8B