What is the discriminant of 3x2 + 6x = 2?

Mathematics

2 answers:

nadezda [96]3 years ago

7 0

12 times something cannot equal to 2 unless it is a negative number,is there a negative number included?

zhannawk [14.2K]3 years ago

4 0

Answer:

The discriminant of the given equation is 60

Step-by-step explanation:

$\text{Given the equation }3x^2+6x=2$

we have to find the discriminant of above equation.

$Equation:\thinspace 3x^2+6x-2=0$

$\text{Comparing above equation with general quadratic equation }ax^2+bx+c=0$

a=3, b=6 and c=-2

The discriminant can be calculated by the formula

$D=b^2-4ac$

$D=6^2-4(3)(-2)$

$D=36+24=60$

Hence, the discriminant of the given equation is 60

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Charles drew a plan for a rectangular piece of

dalvyx [7]

The fourth coordinate of rectangular piece of material is (2.8 , -2.7)

According to the question,

Charles drew a plan for a rectangular piece of material that he will use for a blanket. Three of the vertices are (-1.4, -2.7), (-1.4,3.7), and (2.8,3.7).

As we know , the opposite sides of rectangle are equal

If we locate these coordinates in our graph and join them

Length of rectangle will be = 2.8+1.4 = 4.2cm

Breadth of rectangle will be = 3.7 + 2.7 = 6.4cm

So, the fourth coordinate should lie 6.4cm far from (2.8,3.7)

Subtracting 6.4 from y-axis,

Fourth coordinate = 3.7 - 6.4

= -2.7

Therefore , The fourth side of rectangle = (2.8 , -2.7)

To know more about Rectangle here

brainly.com/question/14207995

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