Algebra/Trigonometry (Okrah)

Multiplying Linear Expressions

100

Multiply: (4 - 3x)(6 + 2x)

What is -6x² - 10x + 24

200

Multiply: (8 - 4x)(3 - 4x)

What is 16x² - 44x + 24?

300

Multiply: (2 - 5x)²

What is 25x² -20x + 4?

400

Multiply: (-4 + 3x)(4 + 7x)

What is 21x² -16x -16?

500

Multiply: (3 - x)(5 - 3x)(6 + 2x)

What is 6x³ - 10x² - 54x + 90?

Solving Literal Equations

100

Solve for b: x - b = a

What is b = x - a?

200

Solve for j: -7j = n

What is j = -n/7?

300

Solve for k: -ack = 13 

What is k = -13/ac?

400

Solve for x: x/5 = 15h

What is x = 75h?

500

Solve for w: 3c = 8w -5

What is w = (3c + 5)/8?

Trigonometry

100

Cos 90^o

What is zero (0)?

200

Find sin 90^o + cos 60^o

What is 1.5?

300

Find the hypotenuse of a right triangle with sides a and b that are 8 and 15, respectively.

What is 17?

400

If sides a, b, and c of a 30-60-90 triangle are 3, 4, and 5, respectively, find cosecant of 30^o.

What is 5/4?

500

If x = 45^o and y = 0^o, find sin²x + tan²x - 1.5cosy.

What is zero (0)?

Simplifying Expressions

100

Simplify: x(5 - x) - x(4 - x)

What is x?

200

Simplify: (5p²x³)/(30p⁴x²)

What is 5x/p²?

300

Find the product: 6n(9n + 2)

What is 54n² + 12n?

400

Simplify: 6x³y¹⁰ + 18x⁵y⁷ + 24x⁷y³

What is 6x³y³(y⁷ + 3x²y⁴ + 4x⁴)?

500

Simplify: 10x(3x - 5)²

What is 90x³ - 300x² +250x?

FSA

100

Round 245.452 to the nearest hundredth.

What is 245.45?

200

What is the greatest common factor of 16 and 56, and 40?

What is 8?

300

Subtract 32x for 2x.

What is -30x?

400

On the 10th of December, the temperature in Chicago was -17^o Fahrenheit. By the 10th of January, the temperature rose to 32^o Fahrenheit. Between the two dates, how much did the temperature rise?

What is 49^o Fahrenheit?

500

Evelyn is in debt $10 to her friend, Lisbeth. Lisbeth says that if Evelyn helps her with her homework, she will give Evelyn $7. If Evelyn helps Lisbeth with her homework, how much money will Evelyn have?

What is -$3?