Question
If –7 is one solution of the equation y2 + cy – 35 = 0, what is the value of c?
- -3
- 2
- 4
- 1
The correct answer is: 2
Getting to the answer: Substitute -7 for y and solve for c:
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A boat travels 8 miles upstream in the same amount of time it can travel 12 miles downstream. In still water the speed of the boat is 5 mi/h. What is the speed of the current?
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If x = 3 a and a ≠ 2 , which of the following is an equivalent to the expression given below?
Fractions whose value is same are called equivalent fractions.
If x = 3 a and a ≠ 2 , which of the following is an equivalent to the expression given below?
Fractions whose value is same are called equivalent fractions.
An engineering firm wants to construct a cylindrical structure that will maximize the volume for a given surface area. The following formulas are given for the volume and surface area of cylinders.
Volume (v) = 
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Surface Area (SA) = 2rh = 2r2
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Volume = area of base × height
An engineering firm wants to construct a cylindrical structure that will maximize the volume for a given surface area. The following formulas are given for the volume and surface area of cylinders.
Volume (v) = r2h
Surface Area (SA) = 2rh = 2r2
calculate the ratio of volume to surface area for cylinder B.
Volume = area of base × height
An engineering firm wants to construct a cylindrical structure that will maximize the volume for a given surface area. The following formulas are given for the volume and surface area of cylinders.
Volume (v) = r2h
Surface Area (SA) = 2rh = 2r2
Calculate the ratio of volume to surface area for cylinder A
Volume = base area × height
An engineering firm wants to construct a cylindrical structure that will maximize the volume for a given surface area. The following formulas are given for the volume and surface area of cylinders.
Volume (v) = r2h
Surface Area (SA) = 2rh = 2r2
Calculate the ratio of volume to surface area for cylinder A
Volume = base area × height
A parallelogram with an area of 
square units has a height as shown. Find the length of the base of the parallelogram.
Area of a parallelogram= base × corresponding height
A parallelogram with an area of square units has a height as shown. Find the length of the base of the parallelogram.
Area of a parallelogram= base × corresponding height
Find the quotient and the domain.
The domain of a function is the set of values that we are allowed to plug into our function.
Find the quotient and the domain.
The domain of a function is the set of values that we are allowed to plug into our function.
Find the product and the domain.
The domain of a function is the set of values that we are allowed to plug into our function.
Find the product and the domain.
The domain of a function is the set of values that we are allowed to plug into our function.
Write an equivalent expression and state the domain
The domain of a function is the set of values that we are allowed to plug into our function.
Write an equivalent expression and state the domain
The domain of a function is the set of values that we are allowed to plug into our function.
An orange crate is in the shape of a rectangular prism. It has a volume of 3x3 + 7x2 + 2x cubic units and a base area of x2 + 2x square units. Find the height of the orange crate.
Volume = area of base × height
An orange crate is in the shape of a rectangular prism. It has a volume of 3x3 + 7x2 + 2x cubic units and a base area of x2 + 2x square units. Find the height of the orange crate.
Volume = area of base × height
If the denominator of a rational expression is x3 + 3x2 – 10x , what values must be restricted from the domain of x?
The range of a function is the set of values that the function assumes.
If the denominator of a rational expression is x3 + 3x2 – 10x , what values must be restricted from the domain of x?
The range of a function is the set of values that the function assumes.
