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Anvisha [2.4K]
2 years ago
7

X2 − 2x − 2 into the form a(x − h)2 + k.

Mathematics
1 answer:
Sedbober [7]2 years ago
3 0

Answer:

x² - 2x - 2

By Completing the Square....

x² - 2x + 1² - 2 - 1²

(x - 1)² - 3 .....

Hope it helps.

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19. For the following exercises, use the descriptions of each pair of lines given below to find the slopes of Line 1 and Line 2.
worty [1.4K]

Answer:

The given lines are un-related.

Step-by-step explanation:

In the question, two lines are given as line 1 passes through (-8,-55) and (10,89). Whereas, line 2 passes through (9,-44) and (4,-14).

It is required to find the slope of given lines and figure out whether they are perpendicular, parallel or neither.

To solve this question, first find the slope of both lines. Check if their product is equal to -1, then they are perpendicular. If the slopes are equal the lines are parallel.

Step 1 of 2

Find the slope of first line.

$$\begin{aligned}&m_{1}=\frac{89-(-55)}{10-(-8)} \\&m_{1}=\frac{144}{18} \\&m_{1}=8\end{aligned}$$

Step 2 of 2

Find the slope of first line.

$$\begin{aligned}&m_{2}=\frac{-14-(-44)}{4-9} \\&m_{2}=\frac{30}{-5} \\&m_{2}=-6\end{aligned}$$

Since, both slopes are neither equal nor reciprocal of each other.

Therefore, the lines are un-related.

4 0
1 year ago
How do I solve these problems I'm trying to find the cheapest deal
atroni [7]
2.79 / 2 = 1.395 rounds to 1.40 per roll
8.99 / 6 = 1.498 rounds to 1.50 per roll

the better deal (cheapest) is the 2 roll package

** if u want price per roll (price / roll) ...u divide the price by the number of rolls
7 0
3 years ago
Read 2 more answers
What does the initial amount represent on the linear equations word problems?
galben [10]

Answer:

0

Step-by-step explanation:

The initial value or y-intercept is the output value when the input of a linear function is zero.

6 0
3 years ago
Which expression is equivalent to
deff fn [24]

Answer:

b) log8 4 + log8 a + log8 (b- 4) - 4 log8 c

Step-by-step explanation:

The given expression is log8 4a ((b - 4) ÷ c^4)

Here we have to use the quotient rule.

log(a/b) = log a - log b

log8 4a (b- 4) - log8 4a(c^4)

Using the product rule log(ab) = log (a) + log (b)

log8 4a + log8 4a(b-4) - log8 4a - log8 (c^4)

log8 4a(b - 4) - log8 (c^4)

log8 4a + log8 (b- 4) - 4 log8 c

Again using the product rule.

log8 4 + log8 a + log8 (b- 4) - 4 log8 c

So it is b.

Thank you.

4 0
3 years ago
How many dimensions does a line have?
son4ous [18]

Answer:

a line has one dimension

Step-by-step explanation:

6 0
3 years ago
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