Illustrative Math Algebra Unit 2

5x - 4 + 2x = 3

• 1

• 2

• 3

• 4

What is the solution?

• (1, -1)

• (-1, 1)

• (0, -2)

• (2, 0)

When you graph the exact same equation twice,

• you will have no solution. 

• you will have one solution.

• you will have infinite solutions. 

• you will graph a giraffe. 

How many solutions will this system have? 

• No solution

• One Solution

• I Don't Know

• Infinitely Many Solutions

^{What is the solution?} 

• 1

• -2

• (1, 2)

• (1, -1)

If a system of linear equations has one solution, what does this mean about the two lines?

• Parallel lines

• the same line

• Intersecting lines

How many solutions does this system of equations have?

• One Solution

• No solution

• Infinitely Many Solutions

• Two Solutions

Solve for x and y
3x + 2y = 16
7x + y = 19

• (-2,5)

• (-2,-5)

• (2,-5)

• (2,5)

Stacy sells art prints for $12 each. Her expenses are $2.50 per print, plus $38 for equipment. Which system of equations represents Stacy's revenues (money earned) and expenses?

• Revenue: y = 12 + 2.5x

  Expense: y = 38

• Revenue: y = 12 + 38x

  Expense: y = 38

• Revenue: y = 12x

  Expense: y = 2.5x + 38

• Revenue: y = 12x

  Expense: y = 2.5 + 38x

At a zoo, the price of 4 adult tickets and 6 child tickets is $77. The price of 6 adult tickets and 4 child tickets is $83. What is the ticket price for one adult? Write your answer in the form $#.##