TEKS.MATH.9-12.II.B

Find dy/dx for y=-(3x²+5x)⁵

• y=-5(x+5)⁴
• y=-5(6x+5)(3x²+5x)⁴
• y=-6x+5(3x²+5x)⁴
• y=-6x(3x²+5x)⁴

Tags

TEKS.MATH.9-12.II.B

TEKS.MATH.9-12.II.A

Simplify 
-11√21 - 11√21

• 0
• -22√21
• √21
• Already simplified 

Tags

TEKS.MATH.9-12.II.B

Factor completely: 3x² - 7x + 2

• (x - 1) (3x + 2)
• (x - 2) (3x -1)
• (x - 1) (3x - 2)
• (x + 2) (3x + 1)

Tags

TEKS.MATH.9-12.II.B

Find the product. 
(x+10)(x-10)

• x²  - 100
• x² + 100
• x² + 20x - 100
• x² -20x + 100

Tags

TEKS.MATH.9-12.II.B

TEKS.MATH.9-12.II.A

   Factor:
6m² + 16m

• 2(3m² + 8m)
• 2m(3m + 8)
• 2m(3m - 8m)
• not factorable

Tags

TEKS.MATH.9-12.II.B

36m² - 9
(Check for a GCF)

• (6m + 3)(6m - 3)
• 9(4m² - 1)
• 9(2m - 1)(2m + 1)
• Not Factorable

Tags

TEKS.MATH.9-12.II.B

TEKS.MATH.9-12.II.A

The total daily sales at a video store are shown in the expression 21x - 3x², where x is the number of tapes sold. 
Which shows this expression completely factored? 

• 3x(7 - x)
• 3x²(7 - x)
• x(21 - 3x)
• (x - 3)(7 - x)

Tags

TEKS.MATH.9-12.II.B

TEKS.MATH.9-12.II.A

Complete the square for
x² + 12x + ____

• x² + 12x + 144
• x² + 12x + 36
• x² + 12x - 36
• x² + +12x - 144

Tags

TEKS.MATH.9-12.II.B

Organize this equation so it can be factored:

1−sin²x + sinx = 1

• move all to the right: 0 = sin²x − sinx

• cancel the ones and cancel a sinx

• replace sin²x with 1 − cos²x

• use this: 0 = sin²x − sinx + 2

Tags

TEKS.MATH.9-12.II.B

What is -4x - (-17x) ?

• -21x

• 13x

• -21x²

• -13x

Tags

TEKS.MATH.9-12.II.B