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Showing 25 questions
| QID | Question | Type | Source | Time | Used | Actions | |
|---|---|---|---|---|---|---|---|
| 79642 | True or False: The logarithm of a negative number is undefined. | Selecting from Options | Lumen | 00:45 | 157x | ||
| 11515 | Simplify the expression: 3x²y³ × 2xy⁴ | Algebraic Expression (Function) | Lumen | 02:30 | 156x | ||
| 105108 | Combine like terms: 5x² - 3x + 2x² + 7x - 4 | Algebraic Expression (Function) | Lumen | 01:45 | 152x | ||
| 84065 | Identify the toolkit function for: f(x) = |x| | Selecting from Options | Lumen | 01:00 | 147x | ||
| 12892 | Simplify: √50 | Text Entry / Upload | Lumen | 02:00 | 145x | ||
| 120011 | Simplify: √55 | Text Entry / Upload | Lumen | 02:00 | 145x | ||
| 120013 | Simplify: √60 | Text Entry / Upload | Lumen | 02:00 | 145x | ||
| 120014 | Simplify: √65 | Text Entry / Upload | Lumen | 02:00 | 145x | ||
| 97293 | True or False: All polynomial functions are continuous. | Selecting from Options | Lumen | 01:00 | 142x | ||
| 59807 | Find the equation of the line passing through (2, 3) with slope -4. | Algebraic Expression (Function) | Community | 02:30 | 141x | ||
| 73242 | Simplify using laws of exponents: (x³y²)⁴ | Algebraic Expression (Function) | Lumen | 02:00 | 138x | ||
| 102493 | Express in interval notation: -3 < x ≤ 5 | Interval | Lumen | 01:30 | 135x | ||
| 33485 | Write 0.00045 in scientific notation. | Text Entry / Upload | Lumen | 01:30 | 134x | ||
| 120035 | Write 2.50 in scientific notation. | Text Entry / Upload | Lumen | 01:30 | 134x | ||
| 6029 | Solve for x: 2x + 5 = 13 | Numeric | Lumen | 01:30 | 132x | ||
| 120024 | Solve for y: 4x + 7 = 18 | Numeric | Lumen | 01:30 | 132x | ||
| 89392 | Solve the proportion: x/6 = 15/18 | Numeric | Lumen | 02:00 | 128x | ||
| 120016 | Solve the proportion: y/8 = 20/23 | Numeric | Lumen | 02:00 | 128x | ||
| 71256 | What is the probability of drawing a red card from a standard deck? | Selecting from Options | Lumen | 01:30 | 126x | ||
| 53250 | Rationalize the denominator: 5/√3 | Text Entry / Upload | Lumen | 02:45 | 123x | ||
| 120032 | Rationalize the denominator: 7/√5 | Text Entry / Upload | Lumen | 02:45 | 123x | ||
| 41078 | Solve the exponential equation: 2^x = 32 | Numeric | Lumen | 02:00 | 118x | ||
| 120008 | Solve the exponential equation: 4^x = 37 | Numeric | Lumen | 02:00 | 118x | ||
| 120009 | Solve the exponential equation: 5^x = 42 | Numeric | Lumen | 02:00 | 118x | ||
| 82185 | Simplify: 8^(2/3) | Numeric | Lumen | 02:00 | 115x |
Showing 1–25 of 25 questions
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