Solve the system: x + 2y = 9 and x – 2y = 1.
Topic: Algebra
What is the slope of the line passing through (-5, 7) and (-3, 3)?
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Simplify: (x – 3y + 10) + (-4x – 2y – 9).
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The sequence begins -7, -4, -1, 2, … . What is the 7th term?
Solve |x| = 3 over the real numbers.
The quadratic x^2 + px + -4 = 0 has roots -2 and 2. Find p.
The quadratic x^2 + px + 24 = 0 has roots -6 and -4. Find p.