TEKS.MATH.9-12.II.C

Solve:
8x + 4y = 12
y = -2x + 3

• (0,3)
• (3,0)
• No solution(parallel lines)
• Infinitely many solutions

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TEKS.MATH.9-12.II.C

 Solve the equation for x.
-8x - 8 + 3x - 6 = -3x + 2

• x = -8
• x = 8
• x = 2
• x = -2

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TEKS.MATH.9-12.II.C

What is the discriminant for 5x² + x − 2 = 0

• -39

• 42

• -41

• none of these

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TEKS.MATH.9-12.II.C

Solve by factoring: x² - 9x + 20 = 0

• x = -4 and x = -5
• x = 20 and x = -9
• x = 4 and x = 5
• x = -4 and x = 5

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TEKS.MATH.9-12.II.C

Solve for x

don't forget cot = cos/sin

• π

• π/3

• π/2

• -π

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TEKS.MATH.9-12.II.C

Identify the values of A, B, and C

11r² + 6r = 6

• A=11, B=-6, C=-6

• A=11, B=6, C=6

• A=11, B=6, C=-6

• A=1, B=6, C=-6

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TEKS.MATH.9-12.II.C

Which answer choice correctly shows the quadratic equation above in factored form?

• (x + 7)(x - 2) = 0

• (x - 7)(x + 2) = 0

• (x - 7)(x - 2) = 0

• (x + 7)(x + 2) = 0

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TEKS.MATH.9-12.II.C

Solve by taking the Square Root:

4m² - 100 = 0

• m = ± 25

• m = 96

• m = ± 5

• m = -96

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TEKS.MATH.9-12.II.C

Stacy has $25 in her savings account. To save more money, Stacy is selling lemonade for $0.50. She wants to have a minimum of $150 in her account. Which inequality represents this situation?

• $25+0.50x\ge150$

• $25x+0.50>150$

• $25x+0.50\ge150$

• $25+0.50x>150$

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TEKS.MATH.9-12.II.C

 $\left(2x-1\right)^2=49\ \ What\ is\ one\ of\ the\ solutions\ to\ this\ equation?$  

• 7

• -7

• -4

• -3

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TEKS.MATH.9-12.II.C