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

Solve 24 > -3r > -9 

• -8 < r < 3
• -8 > r > 3
• r > - 8 and r > 3 
• r > -8 or r < 3

Tags

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

TEKS.MATH.9-12.II.C

Solve for y:
y + 2 = 3x

• y = 2x + 3
• y= 3x +2
• y= 3x -2
• y= 6x

Tags

TEKS.MATH.9-12.II.C

Solve the system by elimination.  

4x + 12y = −1
−3x − 9y = 0 

• (10, 1) 
• (−10, −1) 
•  (10, −1) 
•  No solution 

Tags

TEKS.MATH.9-12.II.C

Solve:
2x² - 9x = 35

• x = 7/2, x = -6
• x = -5/2, x =5
• x = -3/7, x =6
• x = -5/2, x = 7

Tags

TEKS.MATH.9-12.II.C

Solve for x and y
3x + 2y = 16
7x + y = 19

• (-2,5)
• (-2,-5)
• (2,-5)
• (2,5)

Tags

TEKS.MATH.9-12.II.C

Which of the following would be a step to prove the following identity?

• (1/ sin x) - (1 / cos x)

• (cos x - sin x) / ( sin x)

• (cos x - sin x) / (cos x)

• (1/ sin x cos x)

Tags

TEKS.MATH.9-12.II.C

Find the slope-intercept equation

• y = x - 2

• y = -x - 2

• y = -2x

• y = -2

Tags

TEKS.MATH.9-12.II.C

Solve the equation:
^x/₃+ 10 = 15

• 75
• 15
• 25
• 5

Tags

TEKS.MATH.9-12.II.C

Solve the equation by completing the square: 7x² - 14x - 56 = 0

• -6 and 12

• -2 and 4

• 4 only

• 3∓√10

Tags

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

TEKS.MATH.9-12.II.C