New PDF release: Algebra 2

By McGraw-Hill

ISBN-10: 007873830X

ISBN-13: 9780078738302

This system scholars desire; the focal point lecturers WANT!
Glencoe Algebra 2 is a key application in our vertically aligned highschool arithmetic sequence built to aid all scholars in attaining a greater knowing of arithmetic and enhance their arithmetic ratings on today’s high-stakes checks.

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Sample text

Solve Inequalities with One Operation For any two real numbers, a and b, exactly one of the following statements is true. ab This is known as the Trichotomy Property. Adding the same number to, or subtracting the same number from, each side of an inequality does not change the truth of the inequality. Properties of Inequality Addition Property of Inequality Words For any real numbers, a, b, and c: 3<5 Example If a > b, then a + c > b + c. If a < b, then a + c < b + c. 3 + (-4) < 5 + (-4) -1 < 1 Subtraction Property of Inequality Words For any real numbers, a, b, and c: If a > b, then a - c > b - c.

REASONING Is the Distributive Property also true for division? In other _b _c words, does _ a = a + a , a ≠ 0? If so, give an example and explain why it is true. If not true, give a counterexample. b+c 64. Writing in Math Use the information about coupons on page 11 to explain how the Distributive Property is useful in calculating store savings. Include an explanation of how the Distributive Property could be used to calculate the coupon savings listed on a grocery receipt. 65. ACT/SAT If a and b are natural numbers, then which of the following must also be a natural number?

6d + 3 ≥ 5d - 2 38. 9z + 2 > 4z + 15 39. 2(g + 4) < 3g - 2(g - 5) 40. 3(a + 4) - 2(3a + 4) ≤ 4a - 1 -y + 2 41. y < _ 9 4x + 2 2x + 1 _ 43. <_ 6 3 1 - 4p 42. 2 5 n 1 44. 12 _ -_ ≤ -6n (4 3 ) Lesson 1-5 Solving Inequalities 37 CAR SALES For Exercises 45 and 46, use the following information. Mrs. 5% commission on her sales. If the average price of a car she sells is $30,500, about how many cars must she sell to make an annual income of at least $50,000? 45. Write an inequality to describe this situation.

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Algebra 2 by McGraw-Hill


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