Year 10 maths quiz 3

Is this a max or min?

• max
• min
• cannot be determined

Tags

CCSS.8.F.A.1

CCSS.8.F.B.4

CCSS.8.F.B.5

Identify the 'b' value: y = 16x² -8x -24

• 16

• -8

• 8

• -24

How many solutions does this graph have?

• one
• two
• no solutions
• cannot be determined

Tags

CCSS.HSA.REI.C.7

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.11

How many solutions does this graph have?

• one
• two
• no solutions
• cannot be determined

Tags

CCSS.HSA.REI.C.7

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.11

Solve
 x² - 10 = 26

• x = -6, 6
• x = -4, 4
• x = 4, 6
• No solution

Factor x² + 12x + 20
WHAT TWO NUMBERS MULTIPLY TO 20
AND ADD UP TO 12? 

• (x + 2)(x + 10)
• (x + 7)(x + 5)
• (x + 6)(x + 6)

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.SSE.A.2

Factor x² + 7x + 12
What two numbers ADD UP TO 7 
and MULTIPLY to 12. 

• (x + 2)(x + 5)
• (x + 3)(x + 4)
• (x + 1)(x + 6)

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

What are the x- intercepts?
These are also known as the roots, zeroes and solutions!! 
These are the points where the parabola goes through the X - AXIS

• x= 0 and x= -4
• x= 0 and x= 4
• y= 0
• x= 2

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

CCSS.HSA.REI.D.11

Find the y-intercept of f(x) = 2x² - 2x + 1

• 2
• -2
• 1
• -1

Tags

CCSS.HSA.REI.B.4

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

Factorise the expression:

x² + x - 6

• (x + 3)(x - 2)

• (x + 2)(x - 3)

• (x + 6)(x - 1)

• (x + 1)(x - 6)