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Naily [24]
3 years ago
7

Consider the following quadric equation

Mathematics
1 answer:
a_sh-v [17]3 years ago
5 0

Answer:

21x^2 - 23x - 20 = 0

Step-by-step explanation:

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3 years ago
X² - xy = 0<br> x + y = 1
wolverine [178]

Answer:

(0, 1 ) and (\frac{1}{2}, \frac{1}{2} )

Step-by-step explanation:

Given the 2 equations

x³ - xy = 0 → (1)

x + y = 1  → (2) ( subtract x from both sides )

y = 1 - x → (3)

Substitute y = 1 - x into (1)

x² - x(1 - x) = 0

x² - x + x² = 0

2x² - x = 0 ← factor out x from each term on the left side

x(2x - 1) = 0

Equate each factor to zero and solve for x

x = 0

2x - 1 = 0 ⇒ 2x = 1 ⇒ x = \frac{1}{2}

Substitute these values into (3) for corresponding values of y

x = 0 : y = 1 - 0 = 1 ⇒ (0, 1 )

x = \frac{1}{2} : y = 1 - \frac{1}{2} = \frac{1}{2} ⇒ ( \frac{1}{2}, \frac{1}{2} )

3 0
3 years ago
Multiply. -3 2/3 x - 2 1/4. choices -8 1/4 -6 1/6 6 1/6 or 8 1/4
Artemon [7]

Answer:

8 1/4

Step-by-step explanation:

3 0
3 years ago
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Please answer this correctly , will mark brainliest answer !!!
ivanzaharov [21]

Answer:

x^2-7

Step-by-step explanation:

7 0
3 years ago
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