IB Maths Calculator Skills

• A

• B

• C

• D

Tags

CCSS.HSA.REI.C.7

What are the roots of the graph y = x² - x - 5

• no roots

• x = -1.8, x = 2.8

• x = -1.4, 3.4

• x = -5

• x = - 0.8, y = 2.2

• x = -5, y = 19

• x = -1, y = 3

• x = -4, y = 15

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What are the solutions of 7x² + 8x + 1 = 0? Solve using the quadratic formula.

• -1, 1/7
• 1, 7
• -1, -7
• -1, -1/7

Tags

CCSS.HSA-REI.B.4B

Using the graphing function, what are the solutions of 2x² - 6x + 4 = 0?

• 5/2, 1/2

• 2,1

• 4,2

• -1,-2

Using the equation function, what are the solutions of 5x² + 3x - 1= 0?

• no roots

• 0.24, -0.84

• -1.20, 4.20

• -0.24, 0.84

Tags

CCSS.HSA-REI.B.4B

Determine the minimum point of the parabola:

y = 5x² - 20x + 13

• (5, -7)

• (-2, -7)

• (2, -7)

• (-7, -2)

Find the minimum point of the graph y= x³- 2x²- 5x+1

• (1.58, -3.39)

• (-1.58, 3.39)

• (-0.79, 3.21)

• (2.12, -9.06)

Solve using the equation function:

4x - y = 17

7x - y = 32

• x = 5

  y = 3

• x = -5

  y = 3

• x = 5

  y = -3

• x = -5

  y = -3

Tags

CCSS.HSA.REI.C.9

Solve using the graphing function:

y = -6x + 5

y = 5 +2x

• (-3, -6)

• (-6, 3)

• (0, 5)

• (-3, 5)

Tags

CCSS.8.EE.C.8B