Quiz about SBAC Math Challenge

Question 1

Derrick H. (2nd per.) says:

Enter an expression equivalent to

(4x²+5y²-3x)+(x²+2y²-3x)-(x²+3y²+x)

Accepted Answer

4x²+4y²-7x

Answer

4x²+10y²-7x

Answer

6x²+4y²-6x

Question 2

Maks Y. (2nd per.) asks: What are the coordinates plotted on the graph?

Accepted Answer

(2, 0), (4, -2), (5, -1)

Answer

(0, 2), (-2, 4), (-1, 5)

Answer

(2, 0), (4, 2), (5, -2)

Question 3

Reagan G. (2nd per.) asks:

What is the minimum value of the function?

y = x² - 12x + 9

Accepted Answer

-27

Answer

6

Answer

0

Answer

-6

Question 4

Trinity P. (1st per.) says:

Suppose Angle A is an angle such that cos A = sin A. Select all the angles that could be possible values for Angle A.

Accepted Answer

45 degrees

Answer

25 degrees

Answer

35 degrees

Answer

65 degrees

Question 5

Cody M. (1st per.) says:

Select the expression that is equivalent to (m² - 25).

Accepted Answer

(m - 5)(m + 5)

Answer

m² - 10m + 25

Answer

m² + 10m + 25

Answer

(m - 5)2

Question 6

Makenah J. (1st per.) asks: How many nonoverlapping triangles can this polygon be divided into?

Accepted Answer

2

Answer

1

Answer

3

Answer

4

Question 7

Daniel, Emma, and Paul (1st per.) say: ABCD is a parallelogram. Select all statements that are true.

Accepted Answer

DE = FC

Accepted Answer

CD = FE

Accepted Answer

CD = DE

Answer

CE = FD

Question 8

Morgan B. (1st per.) asks:

Which of the following is an expression equivalent to a¹²/a⁵?

Accepted Answer

a7

Answer

a2.4

Answer

12/5

Answer

7

Question 9

Jorge L. (1st per.) asks:

Which inequality represents all possible solutions of -8n < -16 ?

Accepted Answer

n > 2

Answer

n < 24

Answer

n < 2

Answer

n > 24

Question 10

Christina (1st per.) says:

Candice earns $10.50 per hour plus 6% of her sales. Select an equation for Candice's total earnings, E, in dollars, when she works x hours and has a total of y dollars in sales.

Accepted Answer

E = 10.5x + 0.06y

Answer

E = 10.5x + 6y

Answer

E = 6x + 10.5y

Answer

E = 0.06x + 10.5y

Question 11

Candice O. (1st per.) asks: Which of the following expressions can be used to find the length of side AC?

Accepted Answer

21 tan (angle B)

Answer

35 sin (angle A)

Answer

21 tan (angle A)

Answer

35 cos (angle B)

Question 12

Brianna R. (1st per.) says: Select an expression equivalent to b¹⁸⁶/b⁸⁶.

Accepted Answer

b100

Answer

b2

Answer

b86

Answer

b110

Question 13

Zach D. asks: Which of the following segments are perpendicular bisectors?

Accepted Answer

M1O

Accepted Answer

M2O

Answer

A1O

Answer

A2O

Question 14

Corin G. (5th per.) made a line plot of how many times 19 of her friends have gone to amusement parks. Which set of data corresponds to the line plot?

Accepted Answer

(2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4)

Answer

(2, 3, 4)

Answer

(0, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4)

Answer

(1, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4)

Question 15

Carolyn N. (5th per.) asks: What are the solutions of the following equation?

3x² - 12x + 9 = 0

Accepted Answer

x = 1 and x = 3

Answer

x = 0 and x = 2

Answer

x = 3 and x = 9

Answer

x = 9 and x = 12

Question 16

Reyonna S. (5th per.) asks: How many solutions does the equation

5 / 10x = 1 / 50x

have?

Accepted Answer

no solution

Answer

one solution

Answer

infinitely many solutions

Question 17

Miles M. (5th per.) asks: What are the solutions to the following equation?

3 / (x - 4) = x / 7

Accepted Answer

x = -3 and x = 7

Answer

x = 3/7 and x = 7/3

Answer

x = -7 and x = 3

Answer

x = -3/7 and x = -7/3

Question 18

Juelz M. (5th per.) asks: Which expression is equivalent to m²- 49 ?

Accepted Answer

(m - 7)(m + 7)

Answer

m² - 7m + 7m

Answer

m2 + 7m

Answer

(m - 7)²

Question 19

Gracia (5th per.) asks: What are the solutions of the following equation?

9 / (x - 3) = x / 3

Accepted Answer

x = -3.908 and y = 6.908

Answer

x = 3 and x = 9

Answer

x = 3 and x = -9

Answer

x = -6.908 and x = 3.908

Question 20

Silas, Maddie, and Daniel (5th per.) ask: Which expression is equivalent to

(3x²+2y²-3x)+(2x²+y²-2x)-(x²+3y²+x)

using the lowest possible number of terms?

Accepted Answer

4x2-6x

Answer

5x²-6x-x²

Answer

4x²+6y²-4x

Answer

-2x2

Question 21

David C. (5th per.) asks: How many real solutions does the equation

5 / 20x = 1 / 4x

have?

Accepted Answer

infinitely many real solutions

Answer

zero real solutions

Answer

one real solution

Question 22

Destinee says: Select an expression equivalent to

b¹³ / b⁶

in the form b^m.

Accepted Answer

b7

Answer

b2.17

Answer

b6

Answer

b13

Question 23

Paul P. asks:

Which inequality represents all possible solutions for 7n > -50 ?

Accepted Answer

n > -50 / 7

Answer

n < -50 / 7

Answer

n > -7 / 50

Answer

n < - 7 / 50

Question 24

Andrew M. says: Jake is planning a vacation. The vacation will cost a total of $1400. Starting tomorrow, Jake will put $100 into his bank account every week to pay for the vacation, and he will have enough money in his account for the vacation in 8 weeks. How much money does Jake have in his bank account now?

Accepted Answer

$600

Answer

$400

Answer

$800

Answer

$1000

Question 25

Kaden B. (6th per.) asks: How many real solutions does

4x = 3 + 2x

have?

Accepted Answer

one

Answer

zero

Answer

infinitely many

Question 26

Collin D. asks: Which explicit formula is equivalent to the following recursive formula?

f(1) = -22

f(n) = f(n-1) + 7

Accepted Answer

f(n) = -29 + 7n

Answer

f(n) = -22 + 7n

Answer

f(n) = -22 + 15n

Answer

f(n) = n - 23

Question 27

Connor S. says: Choose the ordered pair that is a solution to the equation represented by the graph.

Accepted Answer

(2, 4)

Answer

(-2, 2)

Answer

(-2, -2)

Answer

(-4, 2)

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