TEKS.MATH.9-12.II.C

What is the first step to solving THIS equation by completing the square?
a² + 10a + 21 = 0

• Set the equation equal to zero
• Divide 10 by 2 and add the result to both sides
• Add a² and 10a together
• Subtract the 21

Tags

TEKS.MATH.9-12.II.C

The interest received on a savings account varies directly with the amount deposited. Daniel received $55.35 in interest on $1230 he deposited. How much interest would Daniel have received if he had deposited $2000 into his account?

• 34.04
• 90.00
• 1,285.35
• 44,444.44

Tags

TEKS.MATH.9-12.II.C

Determine the values of
a, b, and c for
the quadratic equation: 
4x² – 8x = 3

• a = 4, b = -8, c = 3
• a = 4, b =-8, c =-3
• a = 4, b = 8, c = 3
• a = 4, b = 8, c = -3

Tags

TEKS.MATH.9-12.II.C

What are the zeros?

• x= 0 and x= -4
• x= 0 and x= 4
• y= 0
• x= 2

Tags

TEKS.MATH.9-12.II.C

TEKS.MATH.9-12.VII.B

The Arnold's took out a loan for $195,000 to purchase a home. At 4.3% interest rate compounded annually, how much will they have paid after 30 years?

• $412,749.79
• $529.305.61
• $689,546.99
• $640,891.53

Tags

TEKS.MATH.9-12.II.C

TEKS.MATH.9-12.VII.C

9 ≥ -2m + 2 − 3

• m ≤ 5
• m ≤ -5
• m ≥ -5
• m ≥ 5

Tags

TEKS.MATH.9-12.II.C

You jump off a 24 foot high cliff and your fall is modeled by the function:

h(t) = -16t² + 8t + 24

When would you reach 16 feet above the water?

• 8 seconds

• 1 second

• 1/2 second

• 1/4 second

Tags

TEKS.MATH.9-12.II.C

TEKS.MATH.9-12.VII.C.1

Which point below is NOT part of the solution set?

• (0, 0)
• (-10, -10)
• (-1, 5)
• (5, 20)

Tags

TEKS.MATH.9-12.II.C

Rewrite the exponential as a log.

2^3x+1 = 12

• ln(2)= 3x+1

• log₂(12)= 3x+1

• ln(6)=3x+1

• log₁₂(2)= 3x+1

Tags

TEKS.MATH.9-12.II.C

What is the proper set up to solve the equation?

-7x -2y= -13

x = 2y+11

• -7(11) -2y = -13

• -7(2y +11)-2y = -13

• -7x -2(11) =-13

• -7x - 2(2y+11)= -13

Tags

TEKS.MATH.9-12.II.C