Judy from AP reviews quadratic functions, equations, and inequalities. The video covers when to use the quadratic formula, solving equations by factoring, and applying these skills to real-world problems. Examples demonstrate solving quadratic equations and inequalities, emphasizing procedural fluency and reasoning. The video concludes with a recap of skills necessary for AP pre-calculus readiness.

What is the main topic of the video tutorial?

• Calculus derivatives

• Quadratic functions

• Trigonometric identities

• Linear equations

What is the discriminant in the quadratic formula?

• 4AC minus B squared

• B squared minus 4AC

• 2A plus B

• A squared plus B squared

Tags

CCSS.HSA-REI.B.4B

When should you use the quadratic formula?

• When the equation is linear

• When B squared minus 4AC is not a perfect square

• When B squared minus 4AC equals zero

• When B squared minus 4AC is a perfect square

Tags

CCSS.HSA-REI.B.4B

What are the factors of the equation x squared minus 5x minus 14 equals zero?

• x plus 5 and x minus 14

• x plus 7 and x minus 2

• x minus 7 and x plus 2

• x minus 5 and x plus 14

Tags

CCSS.HSA-REI.B.4B

What is the solution to the equation x squared minus 2x plus 1 equals zero?

• x equals 1

• x equals 2

• x equals 0

• x equals -1

Tags

CCSS.HSA-REI.B.4B

What is the approximate solution to the equation 2x squared minus 3x plus 20 equals x squared plus 34?

• x is approximately 5.53 or -2.53

• x is approximately 3.53 or -1.53

• x is approximately 4.53 or -3.53

• x is approximately 2.53 or -4.53

Tags

CCSS.HSA-REI.B.4B

How do you solve the inequality 5X squared plus 3x minus 10 is less than zero?

• By using calculus derivatives

• By using trigonometric identities

• By using linear equations

• By using the quadratic formula

What is the range of x for the inequality 5X squared plus 3x minus 10 is less than zero?

• x is less than 1.146 and greater than -1.746

• x is greater than 2.146 and less than -2.746

• x is greater than 1.146 and less than -1.746

• x is less than 2.146 and greater than -2.746

What is the height equation for the ball catapulted upward?

• h of T equals -16 t squared plus 80t plus 40

• h of T equals 16 t squared plus 80t plus 40

• h of T equals 16 t squared minus 80t plus 40

• h of T equals -16 t squared minus 80t plus 40

How long does it take for the ball to reach a height of 100 feet?

• 0.92 seconds and 4.08 seconds

• 3.92 seconds and 7.08 seconds

• 1.92 seconds and 5.08 seconds

• 2.92 seconds and 6.08 seconds