Polynomial Solutions

Solve the equation: $(x - 5)^2 = 4(x - 5) + 32$. What is the value of x?

• x = 9

• x = 13

• x = 5

• x = 7

Find all zeros for the polynomial
P(x) = x³ -3x²-5x+15

• 3, √5 

• 3, √5, -√5

• -3, √5, -√5

• -3, 5i, -5i

Factor completely: 2x²+22x+60

• (2x+10)(x+6)

• (x+5)(x+6)

• 2(x+1)(x+30)

• 2(x+5)(x+6)

125x³ + 8

• (5x - 4)(25x² + 20x + 16)

• (5x + 2)(25x² - 10x + 4)

• (4x + 1)(16x² + 4x + 1)

• (4x - 3)(16x² + 12x + 9)

FInd all zeros for the polynomial
f(x) = x⁴+8x²-9

• -1, ⅓, ±3i

• ½, -1, ±3i

• 1, -1, ±i√11

• 1, -1, ±3i

Which function is graphed?

• (x - 4)(x + 2)(x - 8)=0

• (x - 4)(x - 2)(x + 8)=0

• (x - 4)(x + 2)(x + 8)=0

• (x + 4)(x + 2)(x + 8)=0

Is the leading coefficient positive or negative

• positive

• negative

• y = x(x - 3)(x - 2)
• y = x(x - 3)² (x+2)
• y = x(x + 3)² (x - 2)
• y = -x(x + 3)² (x - 2)

What are the
zeros of the polynomial
y = 3(x + 4)(x + 1)(x - 3)?

• -4, -1, 3

• 3, -3, 4, 1

• 4, 1, -3

• 3, -4, -1, 3

What is another way to say "where a function crosses the x-axis"?

• x-intercept

• zero

• root

• all of these.