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Solve each inequality. See Section 2.8$$3-x \leq 5$$
Precalculus
Algebra
Chapter 11
Quadratic Equations, Inequalities, and Functions
Section 7
More about Parabolas and Their Applications
Introduction to Conic Sections
Equations and Inequalities
Functions
Polynomials
Harvey Mudd College
Baylor University
University of Michigan - Ann Arbor
Lectures
01:32
In mathematics, the absolu…
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Solve each inequality. See…
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Solve each inequality, and…
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Solve each inequality.…
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02:43
Solve each inequality. Gra…
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I have the inequality three minus X is less than or equal to five. Any time I've solving an inequality, I can add or subtract without changing the inequality. So in this case, I'm gonna subtract three from both sides to get negative. X is less than or equal to two. Now I'm going to multiply each side by negative one. But multiplying or dividing by negative one means I have to flip the sign of my equality inequality. So in this case, I get X is greater than or equal to negative two. If I put that into interval notation that gives me a square bracket because it can be equal square bracket of negative, too, up to infinity. And I use the parentheses E because while I can approach infinity, I could never reach it. So infinity always gets a parentheses
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