Solving Rational Equations: Key Concepts and Techniques

What is the primary reason for using Desmos instead of yellow calculators in this tutorial?

• Desmos is more accurate.

• Desmos is easier to use.

• Desmos is in degree mode.

• Desmos has more functions.

If the opposite side is 15 and the hypotenuse is 24, what is the angle X using sine inverse?

• 54.46 degrees

• 43.34 degrees

• 28.39 degrees

• 38.68 degrees

Given the adjacent side is 8 and the hypotenuse is 11, what is the angle X using cosine inverse?

• 54.46 degrees

• 38.68 degrees

• 28.39 degrees

• 43.34 degrees

If the opposite side is 20 and the adjacent side is 37, what is the angle X using tangent inverse?

• 54.46 degrees

• 28.39 degrees

• 43.34 degrees

• 38.68 degrees

What is the angle X if the opposite side is 7 and the adjacent side is 5 using tangent inverse?

• 54.46 degrees

• 28.39 degrees

• 43.34 degrees

• 38.68 degrees

Given an angle of 39 degrees, an opposite side of 11, and an unknown adjacent side X, how do you find X?

• 11 multiplied by tangent 39

• 11 divided by tangent 39

• 11 divided by cosine 39

• 11 divided by sine 39

If the angle is 46 degrees, the adjacent side is 28, and the hypotenuse is X, how do you find X?

• 28 divided by cosine 46

• 28 divided by sine 46

• 28 multiplied by cosine 46

• 28 divided by tangent 46

In a right triangle, if the angle is 51 degrees, the opposite side is 8, and the adjacent side is X, how do you find X?

• 8 divided by sine 51

• 8 divided by cosine 51

• 8 divided by tangent 51

• 8 multiplied by tangent 51

A ladder leaning against a wall makes a 75-degree angle with the ground and is 6 feet from the wall. How long is the ladder?

• 20.18 feet

• 23.18 feet

• 21.18 feet

• 22.18 feet

Jaden's kite is 150 feet above the ground with 275 feet of string. What angle does the string make with the ground?

• 31.06 degrees

• 32.06 degrees

• 33.06 degrees

• 30.06 degrees