Bracket or Parenthesis?
Write −2 ≤ x < 3 in interval notation
[−2, 3)
simplify: x⁹ / x⁵
x⁴
Write 93,000,000 in scientific notation
9.3 × 10^7
Factor completely: 12x^2 − 18x
6x(2x − 3)
State the domain: x / (x^2 − 5x + 6)
x ≠ 2 and x ≠ 3
Write (1, ∞) as an inequality
x > 1
Evaluate: −2^4 and (-2)^4
-16, 16
Write 6.1 × 10^−4 in standard form
0.00061
Factor: x^2 − 49
(x + 7)(x − 7)
Simplify: (x^2 − 1) / (x^2 + x − 2)
(x + 1) / (x + 2)
Let A = (−∞, 2] and B = (0, 5). Find A ∩ B
(0, 2]
Simplify: (a³b⁻²) / (a⁻¹b⁴)
a⁴ / b⁶
Write 0.00042 in scientific notation
4.2 × 10−4
Factor: x^2 + 7x + 12
(x + 3)(x + 4)
Add: 3/(x − 1) + x/(x + 2)
(x2 + 2x + 6) / [(x − 1)(x + 2)]
Let A = (−∞, 2] and B = (0, 5). Find A ∪ B
(−∞, 5)
Evaluate: 16^(3/4)
8
Simplify: (3 × 10^4)(2 × 10^5)
6 × 10^9
Factor by grouping: x^3 + x^2 + 4x + 4
(x + 1)(x^2 + 4)
Divide: (x − 4)/(x^2 − 4) ÷ (x^2 − 3x − 4)/(x^2 + 5x + 6)
(x + 3) / [(x − 2)(x + 1)]
Write {x ∈ ℝ | x < −1 or x ≥ 4} in interval notation
(−∞, −1) ∪ [4, ∞)
Simplify with no negative exponents: (2x⁻¹y²)⁻³ / (8x²y⁻¹)
x / (64y⁵)
Simplify and put in scientific notation: (8 × 10^5) / (4 × 10^−3)
2 × 10^8
6x^2 + 7x − 5
(2x − 1)(3x + 5)
Simplify the compound fraction: (x/y + 1) / (1 − x/y)
(x + y) / (y − x)