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3 years ago

The equation shows the relationship between x and y: y = −2x + 11 What is the slope of the equation?

Mathematics

2 answers:

Brilliant_brown [7]3 years ago

5 0

Y=mx + b
M stands for the slope.
In this case it would be -2

mario62 [17]3 years ago

4 0

Answer:

B) -2

Step-by-step explanation:

The general form of slope-intercept form is y = mx +b, where "m" is the slope and "b" is the y-intercept.

The given equation is y = -2x + 11

Now compare the given equation with the general form and find the value of slope (m).

By comparing, we get m = -2

So, the slope of the given equation is -2

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Which is the equation of a line that has a slope of Negative two-thirds and passes through point (–3, –1)?

weqwewe [10]

Answer:

Y=2/3x+1

Step-by-step explanation:

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3 years ago

Is y = 0.860x + 3.302 a linear function?

gulaghasi [49]

Answer:

yes

Step-by-step explanation:

Yes. The given function has the form y = mx + b, which is that of a linear function. Here the slope, m, is 0.860, and the y-intercept is 3.302.

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3 years ago

The notation Ak meas the matrix A Multiplied with itself k times (a) For the 2×2 identity matrix I, show that I2 =I (b)For the n

djverab [1.8K]

Answer:

Entries of I^k are are also identity elements.

Step-by-step explanation:

a) For the 2×2 identity matrix I, show that I² =I

$I^{2}=\left[\begin{array}{cc}1&0\\0&1\end{array}\right] \times \left[\begin{array}{cc}1&0\\0&1\end{array}\right] \\\\=\left[\begin{array}{cc}1\times 1+0\times 0&1\times 0+0\times 1\\0\times 1+1\times 0&0\times 0+1\times1\end{array}\right] \\\\=\left[\begin{array}{cc}1&0\\0&1\end{array}\right]$

Hence proved I² =I

b) For the n×n identity matrix I, show that I² =I

n×n identity matrix is as shown in figure

Elements of identity matrix are

$\delta I_{ij}=1\quad if\quad i=j\\\delta I_{ij}=0\quad if\quad i\ne j\\$

As square of 1 is equal to 1 so for n×n identity matrix I, I² =I

As mentioned above

$\delta I_{ij}=1\quad if\quad i=j\\\delta I_{ij}=0\quad if\quad i\ne j\\$

Any power of 1 is equal to 1 so kth power of 1 is also 1. According to this Ik=I

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3 years ago

Four times a number,added to 9 ,is 41.find the number

Karolina [17]

Answer:

Step-by-step explanation:

41-9=32

32/4=8

4 0

3 years ago

Read 2 more answers

Challenge A bag contains pennies, nickels dimes, and quarters. There are 50 coins in all of the

vova2212 [387]

Answer:

The bag contains $5.14

Step-by-step explanation:

18% of 50 = (.18)(50) = 9 pennies

40% of 50 = (.40)(50) = 20 dimes

2 more nickels than pennies = 9 + 2 = 11 nickels

40 coins so far, so 50 - 40 = 10 quarters

Total value:

9 x ($0.01) = $0.09 for pennies

20 x ($0.10) = $2.00 for dimes

11 x ($0.05) = $0.55 for nickels

10 x ($0.25) = $2.50 for quarters

Grand total value = $5.14

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3 years ago