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35 Cards in this Set
- Front
- Back
combine roots.
you can only combine what roots? |
multiplication and division.
never add/sub. |
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√16+9 =?
both the 16 and the 9 are under the root. |
√25
this is allowed. |
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difference between imperfect square and perfect square?
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imperfect sq is when the sqare root of a number is not an integer.
perfect square is the sq root thats an integer. √4 is a perfect sq. √52 is not. |
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simplify an imperfect sq.
say √52. |
1. do a prime box for 52.
2. find the pairs of factors, 2√13 |
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√1
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1
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√2
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1.4
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√3
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1.7
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√4
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2
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√9
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3
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√16
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4
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√25
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5
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√36
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6
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√49
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7
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√64
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8
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√81
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9
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√100
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10
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√121
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11
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√144
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12
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√169
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13
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3√8
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2
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3√27
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3
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3√64
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4
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3√125
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5
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3 √7 + 2 √7
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5 √7
just add the things out front up |
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√25x16
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√25 x √16 = 5 x 4 =20
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√144/16
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√144 divided √16 = 12 / 4 =3
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what are the posibilities of x^2?
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a positive and negative number.
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what are the posibilities of x^3?
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since its an odd number exponent the answer will take the sign of the base. so it will either be positive or negative.
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an exponential expression with a base of 1 always yields a?
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1
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an exponential expression with a base of 0 always yields a?
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0 zero
0^3 0^2 |
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what number will always have the same answer no matter how large the exponent gets>
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1 and 0
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what do you do with a negative exponent?
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the recprical.
X^-2 1/X^2 |
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any base raised to the exponent of zero yields?
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1
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any base raised to the exponent of 1 yields?
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keeps the orginal base.
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(3^2)^4
how to simplify? |
multiply the exponents.
3^8 |