Core Connections Algebra 1, 2013
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Core Connections Algebra 1, 2013 View details
2. Section 1.2
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Exercise 39 Page 20

Practice makes perfect
a To find the cube root of 1, we have to identify what number you multiply three times to get a product of 1. Well, the only number you can multiply by itself and get 1 is 1.

1* 1* 1=1 Therefore, the cube root of 1 has to be 1.

b Similar to Part A, we have to find what number we have to multiply by itself three times to get 0.

0* 0* 0=0 Therefore, the cube root of 0 has to be 0.

c What number do you have to multiply three times to get 2^3? Well, the exponent tells us that 2 is multiplied by itself three times.

2* 2 * 2=2^3=8 Therefore, the cube root of 2^3 has to be 2.

d Similarly to Part C, we know that 7^3 can be rewritten as 7 multiplied by itself three times.

7* 7 * 7=7^3=343 Therefore, the cube root of 7^3 has to be 7.