TEKS.MATH.9-12.II.C

What is the first step in solving 
(x + 2)(x - 3) = 0      ?

• Plug in zero for x
• Solve for x
• FOIL
• Set each binomial factor equal to zero

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TEKS.MATH.9-12.II.C

What is the inverse of the function
f(x) = 2x + 4   ?

• f^-1(x) = 4(x -2)
• f^-1(x) = (x-4)/2
• f^-1(x) = x/2 - 4
• f^-1(x) = x/4 + 2

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TEKS.MATH.9-12.II.C

-4x + 14 ≤ 54

• x ≥ - 10
• x ≤ -10
• x ≥ 10
• x ≤ 10

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TEKS.MATH.9-12.II.C

What should you do first in solving this equation?
x² + 6x - 13 = 3

• Get factored form
• Write down: a=1, b=6, c=-13
• Make it equal 0 by subtracting 3 on each side
• Type it all in a calculator.

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TEKS.MATH.9-12.II.C

Give the x-intercept
3x + 8y = 24

• (8, 0)
• (0, 8)
• (3, 0)
• (0, 3)

Tags

TEKS.MATH.9-12.II.C

What inequality does the number line graph represent?

• x <= 4
• x>= -4
• x < -4
• x < 4

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TEKS.MATH.9-12.II.C

Write the linear inequality in standard form for this situation: Ms. Savva is ordering pizzas and breadsticks for a school party and has a budget of no more than $81. An order of breadsticks costs $7 and a pizza costs $13. 

• 7x + 13y < 81
• 7x + 13y ≥ 81
• 7x + 13y ≤ 81
• 7x + 13y > 81

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TEKS.MATH.9-12.II.C

Write an inequality for the situation:
George rented a bike for 4 hours. There was a $10 dollar deposit to pay in addition to the hourly rate. What was the hourly rate if the total came to less than or equal to $65?

• 10x + 65 ≥ 40
• 4x + 10 ≤ 65
• 4x - 10 ≤ 65
• 65 + 4x ≥ 40

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TEKS.MATH.9-12.II.C

What are the intercepts for 3x - 2y = 6

• (0, 3) and (2, 0)

• (0, -2) and (-3, 0)

• (0, -3) and (2, 0)

• (0, 2) and (3, 0)

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TEKS.MATH.9-12.II.C

Cell plan A is $40 plus $.04 each text
Cell plan B is $30 plus $.09 each text
Write an inequality that shows when plan A is greater that plan B

• 40 + .04x > 30 + .09x
• 40 + .04x < 30 + .09x
• 40 + .04 > 30 + .09
• 40 + .04 < 30 + .09

Tags

TEKS.MATH.9-12.II.C