5MS Quiz

Parabolas

100

what is the concavity of the parabola? 

 y = -x² + 2

concave down

200

what is the axis of symmetry for the following parabola? 

y = x² - 2

x = 0

300

How many x - intercepts does this parabola have? 

y = -2x² - 1

0

400

What is the y - intercept of the following parabola?

y = 13x² + 17x - 9

9

500

what are the x - intercepts of this parabola?

y = x² + 2x

x = 0 & x = -2

Exponentials

100

exponential's are curves with a power of _____

x

200

for the exponential y = 3^x,
what is the y value when x=3

27

300

For the exponential y = 2^-x,
what is the y value when x=4

y = 1/16 or 0.0625

400

for the exponential y = 4^x - 6, what is the y value when x = 4

250

500

If I invested $1000 at at 10% compound interest for three years, I could model this with the exponential curve y = 1000 * 1.10³.

How much would this investment be worth after 3 years?

$1331

Linear

100

which letter represents gradient in y = mx = c

m

200

What is the y - intercept in the following equation y = 3x - 4

-4

300

what is the gradient between the two points of (0,0) and (5,8)

m = 8/5

400

What is the gradient between the two points (-3,-5) and (4,7)

m = 12/7

500

What is the distance between the two points (8, 2) and (-4, 7)

13 units

Numeracy

100

12 + 5 * 4

32

200

17²

289

300

6(5² + 6)

186

400

7³ - 150

193

500

(-5)² - √ 625

0

Random

100

The longest living vertebrae animal

Tortoise

200

The leading country for banana production

India

300

Which human body part stays the same size from birth.

Eyeballs

400

8 letter word meaning to exterminate pests using smoke.

Fumigate

500

What is the name of Princess Leia's home planet in Star Wars?

Alderaan