Question 1

Which mathematical symbol represents an equality?

Accepted Answer

Answer

Answer

Answer

Question 2

The following mathematical sentences are quadratic inequalities EXCEPT for _________.

Accepted Answer

x² + 4 $\le$ -3 + x²

Answer

x²+ 3x - 1 $\le$ 0

Answer

2 (r+1) < r²- 6

Answer

(s - 1)² $\le$ s+1

Question 3

Which inequality is the translation of ax²is at least a?

Accepted Answer

ax² $\le$ a

Answer

ax² $\le$ a

Answer

ax² $\le$ a

Answer

ax² $\le$ a

Question 4

Which inequality is the translation of "twice the square of ais fewer than or equal to a"?

Accepted Answer

2a² $\le$ a

Answer

2a² $\le$ a

Answer

a² $\le$ a

Answer

a² $\le$ a

Question 5

The floor of KNHS' activity center has to be tiled completely. If the length is 7m longer than its width, and its area is less than 800 m², how would the length of the AC be represented? ( width = x)

Accepted Answer

x+7

Answer

x + 7x

Answer

x + 800

Answer

7x (800)

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