Keystone Algebra Review

Find the 20th term in the arithmetic sequence –4, 1, 6, 11, 16,...

• 95

• 72

• 96

• 91

Tags

CCSS.HSF.BF.A.2

Determine whether the sequence appears to be an arithmetic sequence. If so, find the common difference and the next three terms in the sequence.

–5, –11, –17, –23, –29, . . .

• Yes; common difference 6; next three terms are –23, –17, –11

• Not an arithmetic sequence

• Yes; common difference –7; next three terms are –36, –43, –50

• Yes; common difference –6; next 3 terms are –35, –41, –47

Tags

CCSS.HSF.BF.A.2

Sylvie is going on vacation. She has already driven 60 miles in one hour. Her average speed for the rest of the trip is 57 miles per hour. How far will Sylvie have driven 7 hours later?

• 402 miles

• 420 miles

• 459 miles

• 399 miles

Tags

CCSS.7.EE.B.4A

Do the ordered pairs below represent a relation, a function, both a relation and a function, or neither a relation nor a function?

(-3,5) , (3,-7) , (7,-15) , (9,-19)

• function only

• neither a relation nor a function

• both a relation and a function

• relation only

Tags

CCSS.8.F.A.1

Which of the following tables represents a function?

• 
• 
• 
• 

Tags

CCSS.8.F.A.1

Which of the following relations describes a function?

• { (2, 3), (3, 3), (4, 3), (5, 3) }

• { (-2, 0), (0, -2), (0, 2), (2, 0) }

• { (0, 0), (2, -2), (2, 2), (3, 3) }

• { (3, 3), (3, 4), (3, 5), (3, 6) }

Tags

CCSS.8.F.A.1

Find the domain of the function:

y = -x² + 5

• {all real numbers}

• {all real numbers greater than or equal to five}

• {all real numbers less than five}

• {all real numbers between negative three and three}

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

The elements of a function of x are (7, 8), (70, 17), and (700, 107). What is the domain of the function?

• {693}

• {7, 8, 17, 70, 107, 700}

• {7, 8, 70}

• {7, 70, 70}

According to the table below, what is the range of the data?

• 12, 20, 30, 42, 56

• 3, 4, 5, 6, 7

• 9, 16, 25, 36, 49

• 6, 8, 10, 12, 14

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

At LMHS, t-shirts sell for $17.56 and cost $12.01 to produce. Which equation represents p, the profit, in terms of x, the number of t-shirts sold?

• p = $17.56 + $12.01x

• p = x($17.56 - $12.01)

• p = $17.56x - $12.01

• p = x($17.56 + $12.01)