Evaluate r(x) = -x-7 when x = -2,0, and 5.

Q: -9=x-4

A: -9 + 9 = x - 4 + 9

Q: x2 + 5x - 6 = 0

A:

Q: -4y+8+y-5

A:

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

A:

Q: /2x+ 5-x-1 =2

A: Given information:

Q: f. x² + 5x - 15 x - 2

A: Topic=Algebra

Q: -2x=x+15

A: topic - equation in one variable

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

A:

Q: 2×-3y

A:

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

A: Answer is -4 Explanation is given below..

Q: X2-x-4=0

A: Given,

Q: x2-2x-3>0

A: Given x2-2x-3>0

Q: 3x + 5 = -5x + 3 ×=

A:

Q: x2-8x-7=0

A: solve the following equation

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: +-1--34 -4++-0

A: