NC Math 3 pretest

Solve by factoring.  3x²+x-14=0

• no solution
• 7,-6
• -7/3 , 2
• 2, -7

Tags

CCSS.HSA-REI.B.4B

(-2 + 7i)(-2 + 2i)

• -10 + 8i
• -10 - 18i
• 18 - 10i
• -18 - 10i

Tags

CCSS.HSA.APR.A.1

√(-300)

• 10i√3
• 15√15
• -10√3
• 2i√13

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

Solve x² - 5x + 10 = 0

• (5 - i√15)/2  ,  (5 + i√15)/2
• (5 - √15)/2  ,  (5 + √15)/2
• (5 - i√65)/2  ,  (5 + i√65)/2
• (5 - √65)/2  ,  (5 + √65)/2

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

• 4
• 4, -1
• -1
• -4

Tags

CCSS.HSA.REI.A.2

Solve.

• -2
• 2
• no solution

Tags

CCSS.HSA.REI.A.2

What is the equation of this graph?

• f(x) = (x -5)² + 1

• f(x) = (x - 1)² - 5

• f(x) = (x + 1)² - 5

• f(x) = (x + 5)² +1

Tags

CCSS.HSF-IF.C.7A

What is the equation of the graph?

• y = √(x - 3)
• y = √(x) + 3
• y = √(x - 5) + 4
• y = √(x + 5) + 4

Tags

CCSS.HSF-IF.C.7B

Solve the system of Equations:

y= 3

y= x² - 4x + 7

• (2,3) and (4,3)

• (3,2) and (3,4)

• Only (-2,3)

• Only (2,3)

Tags

CCSS.HSA.REI.C.7

Is the given table a direct or inverse variation? What is the constant of variation?

• Direct, 12
• Inverse, 12
• Direct, 1/12
• Inverse, 1/12

Tags

CCSS.HSF.IF.B.4

CCSS.HSA.CED.A.2

CCSS.HSF.LE.A.2