Normal and Tangent Lines

Find the slope of the tangent line to the function f(x) = 3x² at x = 3

• 1/18

• -18

• 18

• 3x

What is the equation of the line normal to the curve y = x² at x = 2?

• y = -1/4x+17/2

• y = 4x - 4

• y = -1/4x+9/2

• y =4x+18

Find the slope of the normal line to the function f(x) = 3x² at x = 3

• 6x

• -1/18

• 18

• 1/18

What is the slope of the line tangent to the curve y = x² + x at x = 1?

• -3

• 1/3

• -1/3

• 3

Find the tangent line slope to -8x^2+12y^2=40 at (1, 2)

• m = -3

Find the tangent line slope to -8x^2+12y^2=40 at (1, -2)

• m=1/7 

• m=-1/7 

• m = 4

• m=1/7 

• m= -1/7 

• m = 4

What is the equation of the line normal to f(x)=5x⁵-2x  at x =-1?

• y+3 =23(x+1)

• y-3 = -1/23 (x-1)

• y+3 = -1/23 (x+1)

• 23y = -x-1