Algebra 1 Common Core Student Edition, Grade 8-9

Lesson 2-7

Lesson 1-3

Lesson 8-3

A

Get Read y!

Solving Proportions

CH A PT ER

Solve each proportion.

1.^2 x

3 15 2 3 = 1a 6 3.

i= 6_

3 m

4 * Estimating Square Roots

Estimate the square root. Round to the nearest integer.

4.V6I 5. V94 6. vT5 7. VI48 8. VI97

Multiplying Binomials

Simplify each product.

9. (2/i + 3)(4 -h) 10. (3b2 + 7)(3h2 - 7) 11. (5x + 2)(-3x - 1)

Lesson9-1 Quadratic Graphs

Graph each function.

12. y = 3x2 13. y = x2 + 4 14. y = 2x2 + 3

Lesson 9-6 The Quadratic Formula and the Discriminant

Find the number of real-number solutions of each equation.

15. x2 + 6x+1 = 0 16. x2 - 5 x - 6 = 0 17. x2 - 2x + 9 = 0


16. 4x2 - 4 x = - 1 19. 6x2 + 5x-2=-3 20. (2x- 5)2 = 121

Lo o k i n g A h ead V o cab u l ar y

21. Things are alike if part of them is the same. Why would 2 V 3 and 6 V3 be like
    radicals?


22. The conclusion is the end of a book. Which part is the conclusion of the statement,
    “If I had a lot of money, I would be rich”?

BB3L Eh a p t e M F Radical Expressions and Equations^611