# Worksheet: Evaluating Polynomials at given Values

Q1:

Evaluate when .

Q2:

Evaluate when .

Q3:

Evaluate , given that and .

Q4:

Evaluate , given that and .

Q5:

Evaluate , given that , , and .

Q6:

Evaluate for .

Q7:

Evaluate for .

Q8:

Evaluate , given that and .

Q9:

Given that the area of a trapezoid is , find the value of when , , and .

• A32 cm2
• B8 cm2
• C cm2
• D cm2

Q10:

Given that the area of a trapezoid is , find the value of when , , and .

• A20 cm2
• B5 cm2
• C7 cm2
• D4 cm2

Q11:

The expression can be used to convert the temperature in degrees Celsius, , into degrees Fahrenheit. If a thermometer shows a temperature of , determine the temperature in degrees Fahrenheit.

Q12:

The formula to convert from degrees Fahrenheit to degrees Celsius is given as . Use the formula to convert , giving your answer correct to one decimal place.

Q13:

The height of an object dropped from the top of a 150-foot-tall building can be described by the expression , where is the time in seconds during which the object is falling. Determine the height of the object 2 seconds after it has been dropped.

Q14:

The height of an object dropped from the top of a 350-foot-tall building can be described by the expression , where is the time in seconds during which the object is falling. Determine the height of the object 4 seconds after it has been dropped.

Q15:

Given that , , and , find the numerical value of .

• A
• B
• C
• D
• E

Q16:

Given that , , and , find the numerical value of .

• A
• B
• C
• D
• E

Q17:

Given that , , and , find the numerical value of .

• A
• B
• C
• D
• E