How much do you really remember about school math? This test will make you doubt it. Most fail in question #8, don’t let that happen to you.

### How much do you really remember about school math? Most fail in question #8

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## Let’s start, is it true that √8> 3√2?

- Yes.
- No, it should be √8 <3√2.

## Every number raised to exponent one is equal to the given number.

- True.
- False.

## Twice a number plus the same number equals nine, how is this represented?

- 2x + x = 9
- x ^ 2 + x = 9

## -1, -21, -5, -45, -13. What is the smallest of these numbers?

- -1
- -21
- -45

## Very easy, how much does the diameter of a circumference measure if its radius measures 12 cm?

- 6 cm
- 24 cm

## Look closely at the symbols. 150 – (–125) =?

- 25
- 275

## Carolina bought half a kilo of potatoes; Rosa, a kilo and a half; and Silvia, three quarters of a kilo. How much did they buy between the three?

- 7/4
- 11/4

## If in the year 1644 the 2000 years of the birth of Alexander the Great were fulfilled, in what year was he born?

- 356 a. C.
- 356 d. C.

## You should watch very carefully before clicking, which of the following equalities is not an equation?

- 3y + 1 = 28
- x + 2x = 3x
- 3 = x + 1

## Maria has 2 more pencils than Teresa and Teresa has 2 more pencils than Isabel. If they all have 33 pencils, how many pencils does Isabel have?

- 7 pencils
- 9 pencils
- 11 pencils

## A recipe for lasagna requires 3/4 kg of cheese. How many lasagna can be made with 18 kg of cheese?

- 20 lasagna
- 22 lasagna
- 24 lasagna

## We are already very close to the end. The interior angles of a triangle total 180 °.

- True.
- False.

## How many liters are 0.08 hl?

- 8 liters
- 80 liters

## The formula for calculating the area of a rhombus is (d * D) / 8.

- True.
- False.

## In store A they put on sale a suit to 8/9 of its value, while in store B they lower it to 3/4. If Juan wants the suit, where does it come out cheaper?

- Store A.
- Store B.