Quadratics
Words in Context
Vocab
Equations forms and formulas
Exponential
100

The minimum value of f(x)=(x-2)^2  -4
-4
-2
2
4

What is -4

100

Novelist N. K. Jemisin declines to ______blank the conventions of the science fiction genre in which she writes, and she has suggested that her readers appreciate her work precisely because of this willingness to thwart expectations and avoid formulaic plots and themes.

Which choice completes the text with the most logical and precise word or phrase?

  • question

  • react to

  • perceive

  • conform to

What is D?

100

scarcity

What is paucity?

100

This is the standard form of a quadratic equation.

f(x)=ax^2  +bx  +c

100

f(x)=(1.84)^(x/4) the equation can be rewritten as f(x)=(1+(p/100))^x  What is the closest value of P?

16

21

46

96

What is 16?

200

For what value of x does f(x) reach its minimum value?

f(x)=(x-10)(x+13)?
-130
-13
-(23/2)
-(3/2)

What is -(3/2)?

200

Domesticated thousands of years ago by Indigenous people in South America, cacao, the plant from which chocolate is made, deviates structurally from the wild plant it is descended from. Maize (corn), another crop domesticated by Indigenous Americans, shows so little resemblance to any wild plant that genetic research was necessary to ______blank teosinte grass as its ancestor.

Which choice completes the text with the most logical and precise word or phrase?

  • acquire

  • develop

  • attract

  • confirm

What is D?

200

lasting a short time

What is ephemeral?

200

This helps determine the number of solutions in quadratic.

The discriminant D=b^2  -4ac 

200

For the function q the value of q(x) decreases by 45% for every increase in the value of x by 1, if q(0)=14, which equation define q?

What is q(x)=14(0.55)^x

300

The area of a triangle is x^2.  The base is 2x+22 and the length is x-10. What is the value of x?

What is 110?

300

According to a US tax policy expert, state taxes are ______blank other factors when considering an interstate move. Even significant differences in state taxation have almost no effect on most people’s decisions, while differences in employment opportunities, housing availability, and climate are strong influences.

Which choice completes the text with the most logical and precise word or phrase?

Answer

  • consistent with

  • representative of

  • overshadowed by

  • irrelevant to

What is C?

300

extravagantly wasteful

What is prodigal?

300

This is the vertex form of a quadratic.

f(x)=a(x-h)^2  +k

300

The population of a town is currently 50,000, and the population is estimated to increase each year by 3% from the previous year. Which of the following equations can be used to estimate the number of years, t, it will take for the population of the town to reach 60,000 ?

What is 60,000=50,000(1.03)^t ?

400

h(x)=-16x^2  +100x+10
The quadratic function above models the height above the ground h, in feet, of a projectile x seconds after it had been launched vertically. If h(x) is graphed in the xy-plane, which of the following represents the real-life meaning of the positive x-intercept of the graph?
A. The initial height of the projectile
B. The maximum height of the projectile
C. The time at which the projectile reaches its maximum height
D. The time at which the projectile hits the ground

 What is D?

400

As an undergraduate researcher in anthropology, Jennifer C. Chen contributed to a groundbreaking study challenging the accepted view that among prehistoric peoples, female participation in hunting was ______blank. The research team’s review of data from late Pleistocene and early Holocene burials in the Americas revealed that, in fact, as many as half of the hunters in those populations were female.

Which choice completes the text with the most logical and precise word or phrase?

Answer

  • inevitable

  • satisfactory

  • negligible

  • commonplace

What a C?

400

(n.) a display of cleverness, especially to deceive others

What is legerdemain?

400

This is the standard for of an exponential function.

f(x)=a*(b)^x

400

The population of a town is currently 50,000, and the population is estimated to increase each year by 3% from the previous year. Which of the following equations can be used to estimate the number of years, t, it will take for the population of the town to reach 60,000 ?

50,000=60,000(0.03)^t

50,000=60,000(3)^t

60,000=50,000(0.03)^t

60,000=50,000(1.03)^t 

What s D?

500

The quadratic function  g models the depth, in meters, below the surface of the water of a seal t minutes after the seal entered the water during a dive. The function estimates that the seal reached its maximum depth of 302.4 meters 6 minutes after it entered the water and then reached the surface of the water 12 minutes after it entered the water. Based on the function, what was the estimated depth, to the nearest meter, of the seal 10 minutes after it entered the water?

What is 168?

500

Investigating whether shared false visual memories—specific but inaccurate and widely held recollections of images such as product logos—are caused by people’s previous ______blank incorrect renditions of the images, researchers Deepasri Prasad and Wilma Bainbridge found that, in fact, such memories are often not explained by familiarity with erroneous versions of the images.

Which choice completes the text with the most logical and precise word or phrase?

Answer

  • compliance with

  • exposure to

  • criteria for

  • forfeiture of

What is B

500

one who feigns knowledge or ability; an imposter

What is charlatan?

500

This formula is used to find the roots of parabola.

What is the quadratic formula x=[-b +/- sqrt(b^2-4ac)]/2a.

500

For the exponential function f, the value of f(1) is k, where k is a constant. Which of the following equivalent forms of the function f shows the value k as the coefficient or the base?

f(x)=50(2)^(x+1)

f(x)=80(2)^x

f(x)=128(2)^(x-1)

f(x)=205(2)^(x-2)

What is C?