3 years ago

-7r2 + 7r + 2 = 2 Find Discriminant

Mathematics

2 answers:

GarryVolchara [31]3 years ago

7 0

I think r=0 I think that’s the answer

victus00 [196]3 years ago

5 0

Answer:

r = 1 , 0

Step-by-step explanation:

-7 $r^{2}$ + 7r + 2 = 2

-7r(r-1)=2-2

-7r(r-1)=0

r-1=0

r=1

You might be interested in

4x-5(-3) Help plzzzzzz

kaheart [24]

Answer:

4x-15

Step-by-step explanation

You just multiply -5 and -3 to simplify this.

7 0

3 years ago

What is the nth term of the quadratic sequence 7 , 14 , 23 , 34 , 47 , 62 , 79?

Harrizon [31]

are you asking for the 9th term or the 10th term?

4 0

2 years ago

Read 2 more answers

one day in December the temperature in London was -3 degrees Celsius in Stockholm it was -5 degrees it was -8 degrees Celsius wh

lara [203]

The weather in the three areas were all very similar on that day in particular.

5 0

3 years ago

Please help me with this!!

SashulF [63]

Answer:

Step-by-step explanation:

4 0

2 years ago

Which expression shows that the quotient

Harrizon [31]

Answer:

Option (2)

Step-by-step explanation:

Given expression is $\frac{2}{(3x-1)}$ ÷ $\frac{6}{6x-1}$

We further simplify this expression,

$\frac{2}{(3x-1)}$ ÷ $\frac{6}{6x-1}$

= $\frac{2}{(3x-1)}\times \frac{6x-1}{6}$

= $\frac{6x-1}{3(3x-1)}$

= $\frac{6x-1}{(9x-3)}$

Therefore, $\frac{6x-1}{(9x-3)}$ will be the quotient of the given expression.

$x\neq \frac{1}{3}$ and $x\neq \frac{1}{6}$ for which the given expression is not defined.

Option (2) will be the answer.

6 0

3 years ago