Which equation has exactly one solution? O z+2=z+2 I+2=+3 O 5x+13D5z-1 O 5x+1%3D -5z-1

Q: Gab's age on his birthday in 1989 is equal to the sum of the digits of the year 19xy in which he was…

A:

Q: Will these equations have the same solution? Choose true for yes, and false for no. 5 (x + 1) = 20…

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Q: Solve the given pair of equations  2x-y=5 3x+2y=11

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Q: solve in echelon form and tell how many solutions there are in non negative integers. x+2y+3z=90…

A: Given equations x+2y+3z=90  0x +3y+4z=36

Q: Obtain the solution of this set of simultaneous equations: 3x1 - x2 - 2x3 = 1 -x, + 6x2 – 3x3 = 0…

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Q: Find the missing number so that the equation has no  solutions. -4x-9=(   )x-3

A: It is given as the equation which has no solution.

Q: 11) Solve by Substitution a. b. -4x – 2y =-1 y=-2x – 4 x+3y=-17 -8x + 8y =-24

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Q: Which choice includes all of the solutions to 2x2 + x – 3 = 0?

A: Given,          The equation is 2x2+x-3=0.

Q: 16. 3x+1-Vx-4 =3

A:

Q: How many non-negative integer solutions are possible of the following equation?

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Q: x-2y = -15 12. 9x + 7y = -10

A: Question-   Solve system of linear equation by substitution

Q: The solution set of the equation 0 = x + 12x + 27 is: a. x = 3 and9 b. x = -3 and -9 C. X = 12 and…

A: Simplify and find value of x

Q: Solve each equation

A: To solve the given equations.

Q: solve each equation for x. y - y1 = m(x - x1)

A: y - y1 = m(x - x1)

Q: If the equations have no solution, determine the value of k=

A: Given linear equations are 2x+4y+8z=52x+17-ky+7z=72x+4y+12-kz=k+10 The value of k if the equations…

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.