Study Skills 5/6

Determine the roots of the polynomial. 
f(x) = (x+1)(x-4)(x+2)

• 1, 4, 2
• -1, -4, -2
• 1, -4, 2
• -1, 4, -2

Determine the roots of the polynomial. 
f(x) = (x-2)(x+3)²

• 2, 3
• 2, -3
• -2, 3
• -2, 3, 3

Determine the roots of the polynomial. 
f(x) = -x(x+1)(x-3)

• -1, 3
• 0, -1, 3
• 1, -3
• 0, -3, 1

What could be the equation for this graph?

• y = -2x³ + 1x + 3
• y = (x - 2)(x + 1)(x + 3)
• y = (x + 2)(x - 1)(x - 3)
• y = -2x² + 1x + 3

What are the x-intercepts of the following function?
y = (x - 1)(x +3)(x - 4)

• 1, 3 and 4
• 2, 1, -3, and 4
• -1, 3, and -4
• 1, -3, and 4

Solve for a.

• a = pw
• a = p/w
• a = w/p
• a = w + p

Solve the literal equation for the given variable.

• 2A/h
• 2/(h)
• 2Ah
• Ah/2

Solve for t.
D= rt

• D/r = t
• Dr = t
• D/t = r
• Dt = r

5x - y = 16

• -y = 5x + 16
• y = 5x + 16
• x = 5y - 16
• y = 5x - 16

Solve:
V = πr²h , for h

• V/(πr²) = h
• V - πr² = h
• V + πr² = h
• V/π = h