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Expression Session
Line It UP
Function Junction
Powerful Polynomials
Data Drive
100

Q: Simplify: 3(2x - 4)

A: 6x - 12

100

Q: Solve: 2x - 5 = 11

A: x = 8

100
  • Q: Is this a function? {(1,2), (2,3), (3,4)}

A: Yes

100
  • Q: Multiply: (x + 2)(x + 3)

A: x² + 5x + 6

100

Q: What is the mean of: 4, 5, 6, 7, 8?

A: 6

200
  • Q: Evaluate: 2x² + 3x when x = 2

A: 14

200
  • : What is the slope of the line through (1, 2) and (4, 6)?

A: 4/3

200
  • Q: Evaluate f(x) = 3x - 1 when x = -2

A: -7

200

Q: Factor completely: x² + 2x - 15

A: (x + 5)(x - 3)

200

Q: Find the median: 3, 7, 9, 12, 15

A: 9

300
  • Q: Factor: x² - 9

A: (x + 3)(x - 3)

300
  • Q: Graph the inequality y < 2x + 1. What is the boundary line and shading direction?

A: Dashed line, shade below

300

Q: What is the domain of f(x) = 1/(x - 4)?

A: All real numbers except x = 4

300
  • Q: Solve by factoring: x² + 7x + 10 = 0

A: x = -2 or x = -5

300
  • Q: A test has a mean of 80 and a score of 100. What is the deviation?

A: +20

400
  • Q: Simplify: (x²)(x³)

A: x⁵

400

Q: Solve: 3(x - 1) = 2x + 4

A: x = 7

400

Q: Complete the function table: f(x) = x² - 2x for x = 0, 1, 2

A: 0→0, 1→-1, 2→0

400
  • Q: What is the vertex of y = (x - 3)² + 2?

A: (3, 2)

400

Q: What does the slope represent in a linear model?

A: Rate of change

500
  • Q: Distribute and simplify: -2(x - 3) + 4x

A: 2x + 6

500
  • Q: Find the x-intercept of the line y = -3x + 6

A: (2, 0)

500
  • Q: Describe how the graph of y = |x - 2| + 3 shifts from y = |x|

A: Right 2, up 3

500

Q: Solve: x² - 4x = 0

A: x = 0 or x = 4

500
  • Q: Describe a trend you see in a scatter plot with a negative correlation.

A: As x increases, y decreases