Alg I Study Guide I

The objective when solving an equation is to....

• isolate the variable.
• check the solution.
• guess and check.
• Combine Like Terms.

Solve:
6(5x - 3) + 2 = 14

• 2
• .5
• -1
• 1

Solve:
2(2x + 3) = -6(x + 9)

• 1.2
• 6
• -6
• 7.5

Solve:
2(a + 4) = 2a - 8 + 4a

• 3
• -3
• -4
• 4

Josh has 2 bags of jelly beans. One bag has 67 jellybeans. The other bag had 43 but he ate x of them. How many jellybeans does he have all together?

• 3x+8

• 2*67-43

• 43+67-x

• 67 + (43-x)

Match the graph with its inequality.

• 11 < a
• 11 > a
•  11 ≤ a
•  11 ≥ a

Pick the correct letter for:
6 > x

• A
• B
• C
• D

What inequality does the number line graph represent?

• -x + 4 ≥ -1
• -2x + 3 > -7
• -x + 1 < -4
• 2x + 3 ≥ 13

Tags

CCSS.7.EE.B.4B

Which is a solution of
5(v + 3) - 10v > -10

• v < 5
• V > 5
• V > -5
• v < -5

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

You take a trip to the bowling alley, where each game cost $2, plus you plan to spend $10 on food.  You can spend at most $25.  Which inequality models this scenario?

• 2x + 10 ≥ 25
• 2x + 10 > 20
• 2x + 10 ≤ 25
• 2x + 10 < 25

Tags

CCSS.7.EE.B.4B