Tangent Line Equations

In each circle, what is the value of x to the nearest tenth?

• 4.25

• 14.10

• 3.75

• 6.25

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

• y = 2x + 1

• y = 2x - 1

• y = -2x + 1

• y = x - 1

• a

• b

• c

• d

• e

Find the slope at x = 3 of the equation f(x) = 3x²

• 6x

• 27

• 18

• 3x

Name the tangent line. 

• s

• WR

• VT

• QR

What is the equation of the line tangent to f(x)= 4x²+2x-1 at x=0?

• y+1=2(x+1)

• y=2x-1

• y=2x+2

• y= -x-1

When we "take the derivative" of a function what are we finding?

• What's a derivative?

• The rate at which our struggles in Calculus are increasing.

• The slope of the secant line

• The slope of the tangent line

Line segment AB and line segment AD are both tangent to circle C. What is the value of x?

• 4.5

• 5

• 5.5

• 6