ADDITIONAL ACTIVITY Direction Fill in the bank to complete the sentence. Some answers are to be chosen from the given options 1 In lesson 3 (Factoring difference of two cubes) the exponents of the given must be divisible by 013) to become a perfect cube 2 16y is not actorable unless we change 16 to 3 In tactoring x 1000, the sign of the middle term of the trinomial factor or the second factor must be positive or negative) 4 y can be factored by both difference of two squares and difference of two cubes (True or false) In lesson 4 (Factoring Perfect Square Binomial) The first and last terms of the given must be positive or negative)? 5 Em 20m 9s not a PS! True or False) 7 16mm -9 is not a PST (Perfect Square Trinomial) unless we change 10m to Complete the pattern '+ 2ab + b = (a)

Airplane speeds are measured in three different ways: (1) indicated speed, (2) true speed, and (3) ground speed. the indicated airspeed is the airspeed given by an instrument called an airspeed indicator. a plane’s indicated airspeed is different from its true airspeed because the indicator is affected by temperature changes and different altitudes of air pressure. the true airspeed is the speed of the airplane relative to the wind. ground speed is the speed of the airplane relative to the ground. for example, a plane flying at a true airspeed of 150 knots into a headwind of 25 knots will have a ground speed of 125 knots. the problems below refer to static and dynamic pressure. static pressure is used when a body is in motion or at rest at a constant speed and direction. dynamic pressure is used when a body in motion changes speed or direction or both. a gauge compares these pressures, giving pilots an indicated airspeed. in problem #s 1 and 2, use the following information. the indicated airspeed s (in knots) of an airplane is given by an airspeed indicator that measures the difference p (in inches of mercury) between the static and dynamic pressures. the relationship between s and p can be modeled by s=136.4p√+4.5. 1. find the differential pressure when the indicated airspeed is 157 knots. 2. find the change in the differential pressure of an airplane that was traveling at 218 knots and slowed down to195 knots. in problem #s 3 and 4, use the following information. the true airspeed t (in knots) of an airplane can be modeled by t=(1+a50,000) ⋅ s, where a is the altitude (in feet) and s is the indicated airspeed (in knots). 3. write the equation for true airspeed t in terms of altitude and differential pressure p. 4. a plane is flying with a true airspeed of 280 knots at an altitude of 20,000 feet. estimate the differential pressure. explain why you think your estimate is correct.

Jahdzia wears her winter coat when the temperature is colder than -4 degrees celsius. write an inequality that is true only for temperatures (t) at which jahdzia wears her winter coat.

Explain how to convert measurements in the metric system