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svetlana [45]
3 years ago
14

The question is in the picture

Mathematics
1 answer:
Anvisha [2.4K]3 years ago
7 0
Come there is an invisible 1 in front of the ex so the rate of change is x
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Use the zero product property to find the solutions to the equation 2x2 + x-1 = 2
algol [13]

Answer:

see explanation

Step-by-step explanation:

Given

2x² + x - 1 = 2 ( subtract 2 from both sides )

2x² + x - 3 = 0

Consider the factors of the product of the coefficient of the x² term and the constant term which sum to give the coefficient of the x- term

product = 2 × - 3 = - 6 and sum = + 1

The factors are - 2 and + 3

Use these factors to split the x- term

2x² - 2x + 3x - 3 = 0 ( factor the first/second and third/fourth terms )

2x(x - 1) + 3(x - 1) = 0 ← factor out (x - 1) from each term

(x - 1)(2x + 3) = 0

Equate each factor to zero and solve for x

x - 1 = 0 ⇒ x = 1

2x + 3 = 0 ⇒ 2x = - 3 ⇒ x = - \frac{3}{2}

3 0
2 years ago
Read 2 more answers
Find the perimeter of the figure <br> 13.5 ft<br> 9 ft<br> 12.5 ft
saveliy_v [14]

Answer:

Add all the values up and then divide by 2

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
A line has a slope of 2 and passes through the point (3, 9). Which is the equation of the line?
Oxana [17]
We know, y - y1 = m(x - x1)
y - 9 = 2(x - 3)
y - 9 = 2x - 6
y = 2x + 3

In short, Your Answer would be Option B

Hope this helps!
3 0
2 years ago
12. Four less than the quotient of a number and 3 is -10.
Scilla [17]

Answer:

n/3 - 4 = 10

Step-by-step explanation:

hope this helps

5 0
3 years ago
6. In a basketball game, Anton made 5 shots in 7 tries. What is the ratio of the
Dmitry [639]

Answer:

A 7:2

Step-by-step explanation:

6 0
2 years ago
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