Okay u anyone out of school probably wont understand this becauze it is hard! And very weird! But it is about the quadratic formula! The formula is -b +/- the square root of b to the 2 – 4ac divide by 2a! Well this problem is -6x to the second-3x+2 and i did the formula [...]

## solving's tag archives

Feb

# Solving quadratic eauations by the quadratic formula?

Feb

# Solving this with quadratic formula?

The instructions are to a)Factor normally and b)use quadratic formula to solve 5x^2+45=0 So for a a)5x^2+45=0 5(x^2+9)=0 5 (x+3)(x-3)=0 x=3,-3 but for part b, I only have the A and C parts of the quadratic formula…I’m missing the b, hence I cannot solve it…how do I do this?

Feb

# 11th Grade Math Question (quadratic formula, solving) Help Please?

A rectangular lawn measures 7m by 5m A border of flowers is planted along 2 adjacent sides of the lawn If the flowers that have been purchased cover an area of 6.25m^2 how wide is the border? I can’t figure out how to set up this question so I can solve it. If anyone could [...]

Feb

# Quadratic Formula: Solving Quadratic Equations Using the Quadratic Formula. Help?

Solve the equation by using the Quadratic Formula. 2.) 3x² + x – 2 = 0 3.) x² – 21 = 0 4.) x² – 7x – 20 = 0 5.) 3x² – 2x + 1 = 0 6.) 6x² + 5x = 0 Answers & explanations please. I won’t forget to give BA. Please [...]

Jan

# Solving by applying the Quadratic formula?

Solve by applying the Quadratic Formula; all radicals should be simplified as far as possible. Show your work. z^2 + 12z + 15 = 0

Jan

# Quadratic formula: Solving equations without a ‘b’?

Directions: Use the quadratic formula to solve each equation. There arose two problems in this section that I found did not have a ‘b’ value, and I’m not sure how to solve them with the quadratic formula. The equations are as follows: 3x^2-8=0 x^2-5=0 You don’t necessarily have to solve them for me, but at [...]

Jan

# When solving this equation, what would the quadratic formula look like?

5x^2 =18x Any help would be awesome!

Jan

# Solving with Quadratic Formula with work shown…please help?

3x^2 + 11x – 20 = 0 I know what the answers should be by inputing the problem in a quadratic formula calculator, but I don’t know how to get to the answer and I have to show my work. The answers are: X= 1.3333 X= -5 Can you get me from the problem to [...]

Jan

# Solving Quadratics using the quadratic formula?

How do i solve the quadratic using the quadratic formula on this question?? x(squared) + 9x – 2 = -16

Jan

# Solving Problems using the Quadratic Formula?

I have two problems, but I always seems to get confused when there is a radical: 1. x^2-4x-3=0 (4±?28)/2 2.x^2-4x-6=0 (4±?40)/2 How can I simplify this?

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