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8 Cards in this Set
- Front
- Back
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What are the for inequalities? |
< less than >greater than and greater than or equal to and less than or equal to (same signs with lines beneath) |
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What do you draw on a number line for < or > ? |
A circle outline |
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What do you draw for greater than or equal to and, less than or equal to ? |
A filled in circle |
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What happens when you divide/ multiply by a negative? |
You flip the inequality |
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What if the parabola you draw has a greater than sign? |
You look at the part above the x axis? |
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What if it's a less than sign? |
You look at the part beneath the x axis. |
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What do you do if you have a quadratic inequality? |
You factorise. |
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What do you do if their are no real roots? |
Use the discriminant and then factorise. |
