# algebra

Unit 4: Quadratic Functions and Equations
Lesson 6: The Quadratic Formula and the Discriminant

1.) a=5, b=9, c=-4
2.) C
3.) No solution
4.) x=-2, x=1.25
5.) x=-9, x=3
7.) 2
8.) 11cm by 16cm

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1. 1. What values of a, b, and c would you use in the quadratic formula for the following equation?
5x^2+9x=4

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2. first put it into standard form ax^2 + bx + c = 0
5x^2 + 9x - 4 = 0

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oobleck
3. 5x^2 + 9x - 4 = 0
A = 5, B = 9, C = -4.

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4. I was looking for these for over 10 minutes! Thank you!

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6. these answers are correct if anyone wanted to know

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7. These were correct for ga connection academy :))

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8. Thanks 😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊😊

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9. oof, got 7/8 just bc i didnt see the -4 rather than 4

anyways, still correct in 2021!! watch for ya minuses, but here u go:

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10. Mori <3 is 100% correct

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11. Mori<3 is correct

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12. 100% correct

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13. thanks sooooo much everyone!! :3

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14. 1. B
2. C
3. D
4. A
5. D
6. D
7. C
8. A

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15. connexus april 2021 is correct
thank you! :)

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