LAM1 CFE REVIEW

LAM1 CFE REVIEW

By Jamie Larson

Multiple Choice

Classify this polynomial by its degree and number of terms:  x² + 6

• Linear polynomial
• Quadratic trinomial
• Quadratic binomial
• Cubic binomial

Multiple Choice

Classify this polynomial by its degree and number of terms:  x² + 2x + 6

• Linear polynomial
• Quadratic trinomial
• Quadratic binomial
• Cubic trinomial

Multiple Choice

What is the standard form of the polynomial,

9x² + 5x + 27 + 2x³

• 27 + 5x + 9x² + 2x³

• 9x² + 5x + 2x³ + 27

• 9x² + 5x + 27 + 2x³

• 2x³ + 9x² + 5x + 27

Multiple Choice

Find the sum.
(3y² + y³ - 5) + (4y² -4y + 2y³ + 8)

• 3y³ + 7y² - 4y + 3
• 4y² + 3y³ - y + 3
• -y⁴ + 2y³ -y - 4
• 4y³ + 3y² -3y + 1

Multiple Choice

Simplify the expression.

(4n⁴ - 8n + 4) - (8n² + 4n⁴ + 1)

• -8n² - 8n + 3

• -7n² - 8n + 3

• -6n² - 8n + 3

• -7n² - 4n + 3

Multiple Choice

Solve:
y = mx + b , for b

• y - mx = b
• y + mx = b
• ^y/_mx = b
• y + mx = -b

Multiple Choice

Solve for y:
3x + y = 12

• y = -3x +12
• x = y + 4
• x = y + 12
• y = 3x -12

Multiple Choice

Solve for s:
a + b = s + r

• s = a/r + b
• s = (a + b)/r
• s = r(a + b)
• s = a + b - r

Algebraic Properties of Equality

We use the word Equality when there is an = sign.

Multiple Choice

What property of equality is used to solve y - 3 = 6?

• Addition POE

• Subtraction POE

• Multiplication POE

• Division POE

Multiple Choice

What property of equality is used to solve y + 3 = 6?

• Addition POE

• Subtraction POE

• Multiplication POE

• Division POE

Multiple Choice

What goes in line 2 of the reasons?

• Subtraction POE

• Addition POE

• Distributive Property

Multiple Select

Which answer choice is equivalent to:

3(2x+8)

Select all that apply.

• 3x+20+2x+4+x

• 6x+24

• 6x+8

• 5x+11

• 6(x+4)

Multiple Select

Which answer choice is equivalent to:

5x+3(x-6)

Select all that apply.

• 8x-18

• 5x+3x-18

• 18+8x

• ½(16x-36)

• 18-8x

Multiple Choice

Use the distributive property to find an equivalent expression: 5(2f + 4)

• 10f + 4
• 10f + 9
• 10f + 20
• 30f

Multiple Choice

4x - 10 ≤ 22

• x ≤ 8
• x ≥ 8
• x ≤ 3
• x ≥ 3

Multiple Choice

Solve the inequality.
x + 5 ≤ 13

• x ≥ 8
• x ≥ 18
• x ≤ 8 
• x ≤ 18 

Multiple Choice

−6 < 2t − 5 < 3

• −0.5 < t < 4

• 0.5 < t < −4

• −11/2 < t < 1

• 11/2 < t < −1

Multiple Choice

Jason runs at a pace of 7 miles per hour and his friend runs at a pace represented by the equation y = 6x where y is distance in miles and x is time in hours. Who runs faster?

• Jason because he runs at a pace of 6 miles per hour.

• His friend because he runs at a pace of 6 miles per hour.

• Jason because he runs at a pace of 7 miles per hour.

• His friend because he runs at a pace of 7 miles per hour.

Multiple Choice

The weight of Brandi's luggage is represented by the equation y = 40x, where y represents the weight in lbs and x represents the number of bags. The weight of Javier's luggage is represented in the graph. Compare their rates.

• Brandi's luggage weighs more because it weighs 40 lbs per bag.

• Javier's luggage weighs more because it weighs 40lbs per bag.

• Brandi's luggage weighs more because it weighs 30 lbs per bag.

• Javier's luggage weighs more because it weighs 30 lbs per bag.

Multiple Choice

What is the solution?

• No solution
• (0, 2)
• (0, -4)
• (3, -3)

Multiple Choice

These two lines intersect at _____.

• (4, -2)
• (4, 2)
• (-2, 4) 
• No solution

Multiple Choice

Factor:

x² + 11x + 24

• (x + 6)(x + 4)

• (x + 12)(x + 2)

• (x - 8)(x - 3)

• (x + 8)(x + 3)

Multiple Choice

Factor:
x² - 10x - 24

• (x + 12)(x - 2)
• (x - 6)(x - 4)
• (x - 12)(x + 2)
• (x +6)(x - 4)

Multiple Choice

Solve by factoring: x² - 9x + 20 = 0

• x = -4 and x = -5
• x = 20 and x = -9
• x = 4 and x = 5
• x = -4 and x = 5

Multiple Choice

Determine the values of
a, b, and c for
the quadratic equation: 
4x² – 8x = 3

• a = 4, b = -8, c = 3
• a = 4, b =-8, c =-3
• a = 4, b = 8, c = 3
• a = 4, b = 8, c = -3

Multiple Choice

1 The discriminant is

• aX² + bX + c

• b - 4ac

• b² - 4ac

• b² + 4ac

Multiple Choice

2 A function has a discriminant of 4.

How many x-intercepts does it have?

• 0

• 1

• 2

• 4

Multiple Choice

What is the significance of the ordered pair (0, -2) to the graph?

• It is the vertex

• It is an x-intercept

• It is the y-intercept

• It is the axis of symmetry

Multiple Choice

When did the ball reach its maximum height? Choose the key feature and the answer.

• y-intercept, 3 secs

• x-value of the vertex, 4 secs

• y-value of the vertex, 5 secs

• y-intercept, 0 secs

Multiple Choice

What was the maximum height of the ball? Choose the key feature and the answer choice.

• y-intercept, 3 feet

• y-intercept, 0 feet

• x-value of the vertex, 4 feet

• y-value of the vertex, 5 feet

Multiple Choice

Does this scenario have a max or a min?

• Max

• Min

Multiple Choice

Which table shows the same data?

Multiple Choice

How many books did Dana read?

• 9

• 18

• 45

• 30

You can do this!! Finish any missing work / review.

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