Multiplying Linear Expressions
Multiply: (4 - 3x)(6 + 2x)
What is -6x2 - 10x + 24
Solve for b: x - b = a
What is b = x - a?
Cos 90o
What is zero (0)?
Simplify: x(5 - x) - x(4 - x)
What is x?
Round 245.452 to the nearest hundredth.
What is 245.45?
Multiply: (8 - 4x)(3 - 4x)
What is 16x2 - 44x + 24?
Solve for j: -7j = n
What is j = -n/7?
Find sin 90o + cos 60o
What is 1.5?
Simplify: (5p2x3)/(30p4x2)
What is 5x/p2?
What is the greatest common factor of 16 and 56, and 40?
What is 8?
Multiply: (2 - 5x)2
What is 25x2 -20x + 4?
Solve for k: -ack = 13
What is k = -13/ac?
Find the hypotenuse of a right triangle with sides a and b that are 8 and 15, respectively.
What is 17?
Find the product: 6n(9n + 2)
What is 54n2 + 12n?
Subtract 32x for 2x.
What is -30x?
Multiply: (-4 + 3x)(4 + 7x)
What is 21x2 -16x -16?
Solve for x: x/5 = 15h
What is x = 75h?
If sides a, b, and c of a 30-60-90 triangle are 3, 4, and 5, respectively, find cosecant of 30o.
What is 5/4?
Simplify: 6x3y10 + 18x5y7 + 24x7y3
What is 6x3y3(y7 + 3x2y4 + 4x4)?
On the 10th of December, the temperature in Chicago was -17o Fahrenheit. By the 10th of January, the temperature rose to 32o Fahrenheit. Between the two dates, how much did the temperature rise?
What is 49o Fahrenheit?
Multiply: (3 - x)(5 - 3x)(6 + 2x)
What is 6x3 - 10x2 - 54x + 90?
Solve for w: 3c = 8w -5
What is w = (3c + 5)/8?
If x = 45o and y = 0o, find sin2x + tan2x - 1.5cosy.
What is zero (0)?
Simplify: 10x(3x - 5)2
What is 90x3 - 300x2 +250x?
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?