solving equations by taking square roots name: … equations by taking square roots name: algebra i...
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Solving Equations by taking Square Roots Name:
Algebra I 300 Date:
Solve by Factoring and CHECK YOUR SOLUTIONS!!!!
1. (5𝑥 − 2)(𝑥 − 3) = 0 2. 2𝑥 + 35 = 𝑥2
3. 4𝑥2 + 4𝑥 + 1 = 0 4. 2𝑥2 = 4𝑥
5. 𝑥(𝑥 − 7) = −10 6. 𝑥3 + 𝑥2 − 6𝑥 = 0
Solve by taking the square root of both sides. No decimals! Show all of your work.
7. 723 2 x 8. 3(3𝑥 − 1)2 + 3 = 30
Solving Equations by taking Square Roots Name:
Algebra I 300 Date:
9. 5453
2 2x 10. 0273 2 y
11. 4010322
x 12. 11873852
x
13. 16422
x 14. 093 2 x
15. 12422
1 2x 16. 0000,1010 2 x
Solving Equations by taking Square Roots Name:
Algebra I 300 Date:
Solve by any method.
17. The area of a rectangle is 72 square meters. Its length is twice its width. Find the
dimensions of the rectangle.
18. Two times the squared quantity of the sum of a number and three is 50. Find the
number(s).
19. Given the vertical angles below, find the angle measures. (Vertical angles are equal.)
x2 + 61°
3x2 - 37°