3 years ago

Which graph shows a quadratic function with a discriminant value of 0?

Mathematics

2 answers:

Vadim26 [7]3 years ago

8 0

Answer: option D.

Step-by-step explanation:i got it right on edge

xxTIMURxx [149]3 years ago

7 0

Answer: the parabola that opens up. then goes through (negative 1, 4), and has a vertex at (1, 0), and goes through (3, 4).

Step-by-step explanation: i just did this question.

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95 students choose to attend one of three after school activities: footbal,l tennis or running. There are 28 boys. 38 students c

liberstina [14]

Answer:

34/95

Step-by-step explanation:

Since 38 students choose football and 23 students chose tennis, then 95 - 38 - 23 = 34 students chose running. The probability is 34 / 95.

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4 years ago

NEED HELP!!!! Based on this part of the soliloquy, which best describes Hamlet’s perception of life?

ANEK [815]

<span>He believes that life is full of pain and suffering.</span>

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3 years ago

Read 2 more answers

Factorise tis please.<br> <img src="https://tex.z-dn.net/?f=%20%28x%2B3%29%5E%7B2%7D%20%2B2%28x%2B3%29" id="TexFormula1" title="

Otrada [13]

$\displaystyle \boxed{(a+b)=a^2+2ab+b^2} \\ \\ (x+3)^2+2(x+3)= \\ x^2+2 \cdot x \cdot 3 +3^2+2x+6 = \\ x^2+6x+9+2x+6= \\ x^2+8x+15= \\ \\ \Delta= b^2-4ac \\ \Delta=8^2-4 \cdot1 \cdot15 \\ \Delta=64-60=4 \\ \\ \\ X_{1,2}= \frac{-b\pm \sqrt{\Delta} }{2a} = \frac{-8\pm2}{2} = \\ \\X1=5 \\ X2=3$