4 years ago

Why does a negative disciminant indicate this number of real solutions

1 answer:

3 0

A negative discriminant indicates no real solutions, since you cannot take the square root of a negative number and get a real answer. Instead, you get an imaginary number, which cannot be graphed on a normal x/y graph.

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WORKED EXAMPLES

Doss [256]

Answer:

Step-by-step explanation:

Vertical angles are equal to each other

x = -3x + 80

x + 3x = 80

4x = 80 divide both sides by 4

x = 20

3 0

3 years ago

Thanks for the help :)

aliina [53]

Your welcome I’m glad to help out

8 0

3 years ago

Kara works at a fine jewelry store and earns commission on her total sales for the week. Her weekly paycheck was in the week tot

GrogVix [38]

Answer:

12.2%

Step-by-step explanation:

Her total paycheck minus her salary = the commission amount

6500 - 1000 = 5500

So....her commission as a percentage of sales = 5500/ 45000 = about 12.2%

3 0

4 years ago

Raven makes lanyards to sell at the craft fair. Each lanyard requires 1.5 feet of. At the fabric store, fabric is sold by foot.

hoa [83]

That was said oddly. From what I understand, she would need to buy 64 feet of fabric.

4 0

4 years ago

Read 2 more answers

If (x - 2)2 + 5(x - 2) = -6, which of the following could be the value of x - 2?

BaLLatris [955]

Answer: A. -1

Step-by-step explanation:

(x - 2)2 + 5(x - 2) = -6

2x-4 + 5x -10= -6

Combine like terms

7x-14=-6

Add 14 to both sides

7x=8

Divide

X= 8/7 or 1.14 (rounded)

1.14 - 2= -0.86 which can be rounded to -1

3 0

3 years ago