Quadratic Formula & Square Roots Help
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Quadratic Formula & Square Roots Help

[From: ] [author: ] [Date: 11-04-22] [Hit: ]
follow the steps for question 1.Just plug in each equation for a, b, c and simplify.......
Can you solve these?
1) 7c^(2) = 100
2) 5n^(2) - 17 = -19
these next few involve the quadratic formula
3) 6x^(2) - 2x - 28 = 0
4) -2x^(2) + 5 = 3x^(2) - 10x
5) 3x^(2) - 4 = 11x

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1) 7c² = 100
Divide both sides by 7.
c² = 100/7
Take the square root of both sides. Don't forget ± since 2 is an even power.
c = ±10/√7

2) 5n² -17 = -19
Add 17 to both sides.
5n² = -2
This will result in imaginary numbers. If you wish to proceed, follow the steps for question 1.

For a quadratic equation:
ax² + bx + c = 0
The roots can be solved for using the quadratic formula:
x = [-b ± √(b² - 4ac)] / (2a)

Just plug in each equation for a, b, c and simplify.
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