If h(x) = -2x2 - x + 4, find h(-2), h(-3), h(4), and h(5).

Q: y=2x-1

A: Graph

Q: X-2-9x-1+14=0

A: Let z=x^-1We replace x^-2 by z^2 and x^-1 by z.

Q: x(x-6)=-8

A: Givenx(x-6)=-8

Q: x² 6x + 3=0

A: solve  x2-6x+3=0

Q: 2ax - y = 3x + 4y for x

A: Simplification

Q: x+3y=2 4x+2y=18

A:

Q: 4 -2x + y = 3

A:

Q: 6x-2(x-5)=22

A: 6x - 2(x-5) = 22 6x - 2x + 10 = 22 (6-2)x + 10 = 22 4x + 10 = 22

Q: -3=4x2-x-3

A: Solve for x

Q: -6(x+1)-x-14=-7(x+5)+15

A: Explanation of the solution is given below...

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

A:

Q: y= - x+2x +3

A:

Q: X -3 ar?

A: We have to divide (2x2 + 5x - 7) by (x - 3).

Q: y = 4x + 1 and y = -2x+ 4

A: Our Aim is to find the value of x given that:y=4x+1 -(i) and y=-2x+4 -(ii)

Q: 5x-16-3x| if x>2

A: Solution is given below:

Q: 10b+3x=13  x 3

A: for given equation we get 10b+3x=39 that is 3x=39-10b

Q: 7-3x x- 4(2+ x) = X

A: Simply do the algebric addition and subtraction

Q: 2×-3y

A:

Q: y = -5x y =) 3x 3

A:

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

A: fx=3x+82x-A

Q: x²+ 7x+ 10 =3 x+ 2

A: Given that  (x2 + 7x + 10)/(x +2) = 3

Q: y=3x-4 2x-3y=-9

A: Find the value of x and y

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

A:

Q: -3x + 15x + 11 = 0

A:

Q: 5x+y=-7 -3x-2y=-12

A:

Q: x2-x+4=0

A: Given equation is

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

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

Q: x2-8x-7=0

A: solve the following equation

Q: -4x2+7x=3

A: Add 4x^2 and subtract 7x.

Q: x2+8x-7=0

A:

Q: -x - y = -13 -x + 3y = 19

A: Here is given two linear equations;   -x - y = -13 -x + 3y = 19    To solve it; Put    -x=y-13…

Q: x2+10x+16=0

A: Given equation, x2+10x+16=0 Factorize 16, 16 = 8 × 2

Q: 3x - 4y = 1 3x-2y = -1

A: Denote the equations. 3x-4y=1            ...13x-2y=-1            ...2

Q: -2 (x - 8) + 4x = -12

A: Answer is-  -14.

Q: 2(-3x + 10)= -3

A:

Q: -3x2 – 3x + 11 = 2x

A:

Polynomials

Try substituting 1. You will get 6 and not 0. Try other real values also. What About -2? Let us check.