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Prerequisite Skills

The number or expression inside a radical symbol is called the ?. 1. ANSWER. radicand. If b 2 = a , then b is a(n) ? of a. 2. ANSWER. square root. Prerequisite Skills. VOCABULARY CHECK. Copy and complete the statement.

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Prerequisite Skills

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  1. The number or expression inside a radical symbol is called the ? . 1. ANSWER radicand If b2 =a, then bis a(n) ? of a. 2. ANSWER square root Prerequisite Skills VOCABULARY CHECK Copy and complete the statement.

  2. Graph y = 3 2x. Compare the graph with the graph of y = 2x. 3. ANSWER the graph is a vertical stretch of y= 2x. 4. 81 ANSWER 9 Prerequisite Skills SKILL CHECK Evaluate the expression.

  3. – 64 5. – 8 ANSWER 6. 100 + 10 – ANSWER 7. – 121 ANSWER – 11 + – Prerequisite Skills SKILL CHECK

  4. 8. 4(y – 3) 10. – x(x + 11) ANSWER 4y – 12 ANSWER – x2 – 11x 9. 2(x – 2) 11. 4x(x – 9) 2x – 4 ANSWER 4x2 – 36x ANSWER Prerequisite Skills SKILL CHECK Use the distributive property to write an equivalent expression.

  5. 12. x2 + 4x + 4 14. r2 +8r + 7 ANSWER (x + 2)2 ANSWER (r + 7)(r + 1) 13. m2 + 9m + 8 15. b2 + 10b + 16 (m + 8)(m + 1) ANSWER ANSWER 49 (b + 8)(b + 2) ANSWER 16. Evaluatea2whena = 7 Prerequisite Skills SKILL CHECK Factor the trinomial.

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