If A = -2ax + 2ay + az and B = ax + 3ay + 2az, then the absolute value of A×B is

Q: 3x - 5y= -13  -2x + 3y = 8

A:

Q: 11x-20y=28  3x+4y=36

A:

Q: If C = 2m2 + m and D = 2 - 6m + 2m2, find an expression that equals %3D 2C - 2D in standard form.

A: Given:  C=2m2+mD=2-6m+2m2 To find: We have to find 2C-2D in standard form.

Q: 5x + 9y = 12       4x - 3y = 8

A: Given system of equation 5x+9y=12, 4x-3y=8. Find x and y.

Q: 7x - 2y = 19  3x + 5y = 14

A:

Q: 7x - 4y = -3 -3x + 4y = -1

A:

Q: 4x+2y=-24 -x-4y=-15

A:

Q: Add this two equation  2x+7y=4 and -2x-8y=-2

A:

Q: 2x-4y=6 -2x-5y=-15

A: We have to solve the given two equations.

Q: If 4x + 8y = 12 , what is the value of 3x + 6y

A:

Q: 8. Find the area of the base of the cone. cm 15 cm2 P 14 cm .C

A:

Q: S4x+8y -20 5x + 2y=-41

A:

Q: If a = [1, 2]  and  b = [2, 7], find a + 2b.

A:

Q: If f1x2 = 3x + 8 2x - A and f102 = 2, what is the value of A?

A: fx=3x+82x-A

Q: MZJOK = 7x-22 and m/MON = 6x + 21

A: Given figure with angles

Q: -5x + 2y = 2 and -9x + 3y = 9 b

A: System of Linear equations

Q: 2x + 5y = 14 3x - 2y = -17

A:

Q: Determine the domain of f1x2 = 210 - 2x.

A:

Q: 2x+5y=14 4x+2y=-4

A:

Q: If B =k- S-1and C--2k, ad an expression that equals 20 + 3C in standard form.

A: Given that B=k-5k2-1,C=k-2k2.

Q: Evaluate x2 - 6x + 3, for x = 7

A: We have to evaluate x2-6x+3 for x=7. Let Px=x2-6x+3 Now, at x=7 P7=72-6·7+3=49-42+3=52-42=10

Q: If C = z - 9z2 and D = -x +3, find an expression that equals 3C – D in standard form.

A: Given: C=x-9x2, D=-x+3

Q: x = 3y -5 2x + 12y = -4

A:

Q: 2x-4y=-22 2x-3y=-19

A:

Q: b. V3x -11= x+1 ,2

A: Solving on graph

Q: -3x+8=2

A: Given that  -3x+8=2 We need to find value of x

Q: If 3x+7=y, if y =10, what is x

A: