Select all expressions equivalent to 4p + 5p.
Correct answer(s):
- 9p
- (4+5)p
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Which expression is equivalent to 3n + 33?
Correct answer(s):
- 3(n + 11)
Which expression is equivalent to 9(b – 7)?
Correct answer(s):
- 9b - 63
Select all expressions equivalent to 8a + 5a.
Correct answer(s):
- (8+5)a
- 13a
Which expression is equivalent to 7t + 14?
Correct answer(s):
- 7(t + 2)
Which expression is equivalent to 6(r + 1)?
Correct answer(s):
- 6r + 6
Which expression is equivalent to 5(q – 7)?
Correct answer(s):
- 5q - 35
Select all expressions equivalent to 4p + 5p.
Correct answer(s):
- (4+5)p
- 9p
Which expression is equivalent to 3n + 15?
Correct answer(s):
- 3(n + 5)
Which expression is equivalent to 9(b – 7)?
Correct answer(s):
- 9b - 63
Select all expressions equivalent to 8a + 5a.
Correct answer(s):
- 13a
- (8+5)a
Which expression is equivalent to 7t + 63?
Correct answer(s):
- 7(t + 9)
Which expression is equivalent to 6(r + 1)?
Correct answer(s):
- 6r + 6
Which expression is equivalent to 5(q – 7)?
Correct answer(s):
- 5q - 35
Which expression is equivalent to 3n + 39?
Correct answer(s):
- 3(n + 13)
Which expression is equivalent to 2(m + 1)?
Correct answer(s):
- 2m + 2
Which expression is equivalent to 9(b – 7)?
Correct answer(s):
- 9b - 63
Select all expressions equivalent to 8a + 5a.
Correct answer(s):
- 13a
- (8+5)a
Decide whether the matrix [[-3, 2], [0, -1]] is invertible.
Correct answer(s):
- invertible
Find the determinant of the matrix [[3, 5], [-4, -1]].
Correct answer(s):
- 17