Alg Preview- quadratics & factoring

Which animal sleeps with one eye open?

• gorillas
• dolphins
• snakes
• lions

Factor:
5x³-7x²

• x²(5x-7)
• x(5x²-7x)
• x³(5-7x)
• Prime

Factor
x² + 9x - 36

• (x + 12)(x - 3)
• (x + 9)(x - 4)
• (x - 12)(x + 3)
• (x - 9)(x - 4)

5p³ + 50p² + 80p

• 5p(p - 2)(p + 8)

• 3(p + 10)(p + 6)

• 5p(p + 2)(p + 8)

• 5p(p + 2)(p - 8)

If given the equation
y = 3(x + 5)² - 4,
what is the vertex of the parabola?

• (5, -4)
• (-5, -4)
• (-15, -4)
• (15, -4)

Who won the NBA game last night?

• Golden State Warriors

• Minnesota Timberwolves

• Dallas Mavericks

• Boston Celtics

Factor
k² - 2k - 24

• (k+4)(k-6)
• (k+4)(k+6)
• (k+6)(k-1)
• (k-4)(k+6)

• both positive

• both negative

• one positive and one negative, and the bigger factor will be negative

• one positive and one negative, and the bigger factor will be positive

• both positive

• both negative

• one positive and one negative, and the bigger factor will be negative

• one positive and one negative, and the bigger factor will be positive

Which answer choice describes y = -3x² +7x - 2 accurately

• opens up with a maximum

• opens up with a minimum

• opens down with a maximum

• opens down with a minimum