Prior Learning Mathematics SL DP

 $\sqrt{2}$  is a(an)

• Rational number
  

• Irrational number
  

• Integer

• irrational and real number
  

Factorize x²-y²

• x²+y²

• (x+y)(x+y)

• (x+y)(x-y)

• x²-2xy+y²

Tags

CCSS.HSA.APR.C.4

-3²=(-3)²

• False

• True

Tags

CCSS.8.EE.A.1

 $\sqrt{-b}$  = $-\sqrt{b}$  

• True

• False

Round 0.567 to one significant figure

• 0.6

• 1

• 0.5

• 0.57

Tags

CCSS.5.NBT.A.4

Round 0.567 to 2 decimal places

• 0.56

• 0.5

• 0.6

• 0.57

Tags

CCSS.5.NBT.A.4

The class size at Baton Rouge School varies between 20 and 24 students. If we have 28 classes at the school. Estimate the total number of students in the school.

• 560

• 600

• 672

• 588

Tags

CCSS.4.NBT.B.5

If Ali, Mohammed and Tom have candies in the ratio 7:5:3, if Ali has 14 candies.

How many candies do Mohammed and Tom have altogether?

• 16

• 10

• 6

• 12

If f(x)=x²+3, this is known as

• Linear function

• Cubic function

• Exponential function

• Quadratic function

If f(x)=x²+3, then this function looks as

• concave up and down

• concave down

• concave up

• straight line

Tags

CCSS.HSF-IF.C.7A