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3 years ago

14

Determine the discriminant of 2x2 - 3x + 1 = 0. 15 -17 1 4

1 answer:

a_sh-v [17]3 years ago

8 0

Discriminant is the value b^2 - 4*a*c
(-3)^2 - 4*2*1
9 - 8 = 1

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Please help with this

Arturiano [62]

Answer:

10x^2 -4x +6

Step-by-step explanation:

The area of the blue square is

2* 5x^2 = 10x^2

The area of the pink square is

2 * -2x = -4x

The area of the green square is

2 *3 = 6

Add it all together

10x^2 -4x +6

4 0

3 years ago

0.7 repeating as a fraction

docker41 [41]

7/10 46/100 5/10 4/10

8 0

3 years ago

19. which one of the following is not equal to the rest? a 2% of 150 b. % of 400 b 3 c. 6% of 60 d. 69 of 50

Irina18 [472]

Answer:

i think it's c

Step-by-step explanation:

a. <u>2</u><u>/</u><u>1</u><u>00</u><u> </u><u>×</u><u> </u><u>1</u><u>5</u><u>0</u><u>=</u><u> </u><u>3</u><u>. </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u>b</u><u>. </u><u> </u><u>100×</u><u>4</u><u>0</u><u>0</u><u>=</u><u>4</u><u>0</u><u>0</u><u>0</u><u>0</u><u>. </u><u> </u><u> </u><u> </u><u> </u><u>c</u><u>. </u><u> </u><u> </u><u>6</u><u>/</u><u>100 </u><u>×</u><u>6</u><u>0</u><u>=</u><u> </u><u>1</u><u>.</u><u>2</u><u> </u><u>×</u><u>3</u><u>=</u><u>3</u><u>.</u><u>6</u><u>. </u><u> </u><u> </u><u> </u><u> </u><u> </u><u>d</u><u>. </u><u>6</u><u>9</u><u>×</u><u>5</u><u>0</u><u>=</u><u>3</u><u>4</u><u>0</u><u>0</u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u> </u><u>so </u><u>answer</u><u> </u><u>c</u><u>. </u><u> </u><u> </u><u> </u><u> </u><u> </u>

5 0

2 years ago

aev [14]

Answer:

1

Step-by-step explanation:

5 0

2 years ago

I mainly need help with part b, brainliest to whoever gets it right

DochEvi [55]

Answer:

y=2x+1

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers