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sashaice [31]
3 years ago
13

What would x and y be in this equation 4x - 5y =7

Mathematics
1 answer:
vekshin13 years ago
6 0

x-intercept:  

(-7/4 , 0)

y-intercept:(0 , 7/5)

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Given the function f(x) = x2 and k = -3, which of the following represents a vertical shift?
MAVERICK [17]
I think is 4 the correct answer
5 0
2 years ago
Assume that T is a linear transformation. Find the standard matrix of T. T: R^3 right arrow R^2 , T(e 1) =(1,2), and T(e2 ) =( -
irina [24]

Answer:

A = \left[\begin{array}{ccc}1&-4&2\\2&6&-6\end{array}\right]

Step-by-step explanation:

Given

T:R^3->R^2

T(e_1) = (1,2)

T(e_2) = (-4,6)

T(e_3) = (2,-6)

Required

Find the standard matrix

The standard matrix (A) is given by

Ax = T(x)

Where

T(x) = [T(e_1)\ T(e_2)\ T(e_3)]\left[\begin{array}{c}x_1&x_2&x_3\\-&&x_n\end{array}\right]

Ax = T(x) becomes

Ax = [T(e_1)\ T(e_2)\ T(e_3)]\left[\begin{array}{c}x_1&x_2&x_3\\-&&x_n\end{array}\right]

The x on both sides cancel out; and, we're left with:

A = [T(e_1)\ T(e_2)\ T(e_3)]

Recall that:

T(e_1) = (1,2)

T(e_2) = (-4,6)

T(e_3) = (2,-6)

In matrix:

(a,b) is represented as: \left[\begin{array}{c}a\\b\end{array}\right]

So:

T(e_1) = (1,2) = \left[\begin{array}{c}1\\2\end{array}\right]

T(e_2) = (-4,6)=\left[\begin{array}{c}-4\\6\end{array}\right]

T(e_3) = (2,-6)=\left[\begin{array}{c}2\\-6\end{array}\right]

Substitute the above expressions in A = [T(e_1)\ T(e_2)\ T(e_3)]

A = \left[\begin{array}{ccc}1&-4&2\\2&6&-6\end{array}\right]

Hence, the standard of the matrix A is:

A = \left[\begin{array}{ccc}1&-4&2\\2&6&-6\end{array}\right]

6 0
3 years ago
What’s the measure of b?
barxatty [35]
It’s 79. Alternate exterior angles are equal.
5 0
3 years ago
How do you show the distributive property to find the product of 7 and 56?
Rama09 [41]

Answer:


Step-by-step explanation:

first you would add 7 and 56, then after getting 63 you would split 63 into two numbers (36 and 27) and write it like this:


1(36 and 27)

hope this helps! not sure if its what the concepts asking but fingers crossed! goodluck

5 0
3 years ago
Help me out pleaseeeeee!!
makkiz [27]

Answer:

y=1/2r hope i helped



4 0
3 years ago
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