Evaluate -2yx – 6x When x = -8, y = -6

Q: y" - Зу' — 4у — 0

A: Given differential equation is y" -3y' -4y=0

Q: y = 3 , find

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Q: Evaluate 5x + 2x y when x=5 and y=8

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Q: Find y" Зх +2 y = 2х- 3

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Q: y′ = 2y − 3

A: Given,

Q: (y - 7) = 12

A: Given: y-72=12 Solution: There are two methods to solve this. Either we open the brackets and then…

Q: Evaluate x2 + 5xy – y2 when x = -2 and y = 5

A: x2 + 5xy - y2                  (i) x = - 2 and y = 5

Q: 4y-12=0

A: 4y = 12 y = 3

Q: Evaluate -3z+5y° when z = - 5 and y = 2 |

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Q: -2 9 x y =

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Q: Find y = 2x- 5 xp II

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Q: -47. y = x²

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Q: Complete the table when y=2(1.2)*

A: Given,          y=2(1.2)x

Q: Evaluate 2x - 3xy + 5y for x= -3 and y = 6

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Q: y = 5** +(3–x²)

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Q: Find t. 45° 7-/2 450

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Q: y(8) + 2y(4) + y = 0

A: In this question, we find the general solution of the differential equation. y(8)+2y(4)+y=0

Q: -5t Y = ce се y = 5t + c

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Q: y(3) + 3y – 10ý = 0

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Q: Evaluate -2xy + 5y2 for x = -3 and y = 4.

A: Consider the given: Let the given polynomial be px,y,px,y=−2xy+5y2 Substitute the given values of x…

Q: Evaluate -x+y2÷9 when x = 3 and y = -6.

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Q: Find 6x+y, when x=1 and y=7

A: Given: Find 6x+y, when x=1 and y=7

Q: 2 y" = 0.

A: Given the differential equation y"" - 2y" = 0. The auxiliary equation m4 - 2m2 = 0.

Q: Evaluate the expression 7x2y, when x = 5 and y = 3.

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Q: Y^2+13y=-42

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Q: 2 + y²

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Q: Multiply.     (x+y ) 2

A: The given expression x+y2.

Q: Find t 7t - 5 = 16

A: Given, 7t -5 = 16  We have to find the value of t.

Q: (-4)^3 simplify.

A: Our Aim is to simplify the expression given below:-(-4)3

Q: Find a12 when a, = 4 and r= - 3.

A: The general term for a GP is given by

Q: Simplify -2(y+6)+3y

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Q: y(6) –4y(5) +3y(3) =-27

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Q: -5log, (x-4)=10

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Q: |y = xx² – 4)

A: This is a problem of area calculation by region given. Based on the general formula and concepts we…

Q: Find the value of y-7 when y=20

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Q: Subtract -2x'y? – 3x²y + 7 from 3x'y² – 4x°y – 3.

A: Subtract -2x5y2-3x3y+7 from 3x5y2-4x3y-3

Q: y" - 12y' +36 = 0

A: The given differential equation is y'' -12y' +36=0. Rewrite y'' -12y' +36=0 as y'' -12y' =-36 The…

Q: 7x- y = 14, for

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Q: (17x-20)' 59 Y W 75

A: Find your answer below

Q: Find y  y^2 - 81 = 0

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Q: Given: y = 22+ 4z-22-4z + 80

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Q: y= 4x-11 2r

A: Given :  Y=4x-11 ----------------- 1 2x+3y=9 ----------- 2

Q: y 3 3 33

A: Given that for different value of x there is a fix value of y which is 3 for all value of x.

Q: y =-1 2х

A: Given functiony=12x-1

Q: y" - 10y' +26y=0

A: We are given the 2nd order linear differential equation with constant coefficients for which we need…

Q: Divide. y6 – 7y* - 49y - 14 7y? 4a – a² – 8 – (-4a")

A: Given query is to simplify the expressions.

Q: y= 5+(x+2)

A:

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.