Expand and simplify: (x + 4)².
Correct answer(s):
- x² + 8x + 16
Topic
Algebraic Identities
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Quizzes in Algebraic Identities for Grade 8
Expand and simplify: (x + 8)².
Correct answer(s):
- x² + 16x + 64
Expand and simplify: (x – 6)².
Correct answer(s):
- x² - 12x + 36
Expand and simplify: (x – 8)².
Correct answer(s):
- x² - 16x + 64
Expand and simplify: (x + 1)².
Correct answer(s):
- x² + 2x + 1
Expand and simplify: (x – 5)².
Correct answer(s):
- x² - 10x + 25
Expand and simplify: (x – 2)².
Correct answer(s):
- x² - 4x + 4
Expand and simplify: (x + 6)².
Correct answer(s):
- x² + 12x + 36
Expand and simplify: (x + 1)(x – 1).
Correct answer(s):
- x² - 1
Expand: (x – 6)^2.
Correct answer(s):
- x^2 - 12x + 36
Expand: (a – 9)^2.
Correct answer(s):
- a^2 - 18a + 81
Expand: (x – 4)^2.
Correct answer(s):
- x^2 - 8x + 16
Expand: (a – 7)^2.
Correct answer(s):
- a^2 - 14a + 49
Expand: (x + 2)^2.
Correct answer(s):
- x^2 + 4x + 4
Expand: (x + 4)^2.
Correct answer(s):
- x^2 + 8x + 16
Expand: (a – 3)^2.
Correct answer(s):
- a^2 - 6a + 9
Expand: (a + 6)^2.
Correct answer(s):
- a^2 + 12a + 36
Factor: m^2 – 16.
Correct answer(s):
- (m - 4)(m + 4)
Factor: x^2 – 16.
Correct answer(s):
- (x - 4)(x + 4)
Factor: p^2 – 121.
Correct answer(s):
- (p - 11)(p + 11)