algebra questions

1. What does it mean to simplify?

2. Evaluate 3c3 – 7d when c = -4 and d = 6

  • 22
  • -150
  • -234
  • -86
  • 150

3.

Combine like terms.

7x + 1 + 3 – 4x = 0.

  • 3x + 4 = 0
  • 11x + 4 = 0
  • 7x – 4x + 1 + 3 = 0
  • 7x – 4x + 4 = 0
  • 3x + 1 + 3 = 0

4. Which measurement has higher uncertainty?

5. For two figures to be similar, what must all the corresponding angles be?

  • one needs to be three times as big
  • one needs to be twice as big
  • different
  • congruent
  • proportional

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