Quiz about 4th Six Weeks Review

Question 1

A blank grid is shown. Mr. Melendez will graph the inequality $$y<4x-5$$ on the grid.

Which ordered pairs are in the solution set of $$y<4x-5$$ ?

Select the correct answers.

Accepted Answer

$$\left(3,-1\right)$$

Accepted Answer

$$\left(9,3\right)$$

Answer

$$\left(0,5\right)$$

Answer

$$\left(1,-1\right)$$

Answer

$$\left(0,-3\right)$$

Question 2

The graph of linear function f passes through the point $$\left(-3,2\right)$$ and has a y intercept at 9.

What is the slope of the function?

Accepted Answer

$$\frac{7}{3}$$

Answer

$$2.3$$

Answer

$$9$$

Answer

$$\frac{3}{7}$$

Question 3

What is the solution to $$4(x-5)=10x+112$$ ?

Accepted Answer

$$x=-22$$

Answer

$$x=-\frac{56}{15}$$

Answer

$$x=4$$

Answer

$$x=22$$

Question 4

Two characteristics of a quadratic function f are given:

*The range is $$y\ge-2$$

*Function f has 2 negative roots.

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Question 5

A sequence can be generated by using $$a_n=5a_{\left(n-1\right)}$$ , where $$a_1=3$$ and n is a whole number greater than 1. What are the first four terms in the sequence?

Accepted Answer

$$3,15,75,375$$

Answer

$$3,6,9,12$$

Answer

$$10,20,40,80$$

Answer

$$5,\ 10,\ 20,\ 40$$

Question 6

What expression is equivalent to $$3-2x+2x^2-(4x-5+3x^2)$$

Accepted Answer

$$-x^2-6x+8$$

Answer

$$x^2+6x+8$$

Answer

$$2x^2+5x-7$$

Answer

$$-2x^2+11x-4$$

Question 7

Which expression is equivalent to $$\frac{a^5b^{10}}{a^3b^3}$$ for all values of a and b for which the expression is defined?

Accepted Answer

$$a^2b^7$$

Answer

$$a^8b^{13}$$

Answer

$$a^{15}b^{30}$$

Answer

Not here

Question 8

The table represents some points on the graph of a linear equation.

Which equation represents the same relationship?

Accepted Answer

$$f\left(x\right)\ =\ 12x\ -\ 28$$

Answer

$$f\left(x\right)\ =\ \frac{1}{12}x+1$$

Answer

$$f\left(x\right)\ =\ 12x\ +\ 58$$

Answer

$$f\left(x\right)\ =\ \frac{1}{12}x+20$$

Question 9

Four points are shown on the graph. Which points are in the solution set of the system of equations shown below?

$$5x+2y<8$$

$$x+4y\ge2$$

Select TWO correct answers.

Accepted Answer

A

Accepted Answer

B

Answer

C

Answer

D

Question 10

Students in Mr. Melendez class were tasked to randomly draw points on a graph in groups of 4. The graph shows the points that the students graphed collectively.

If he asked his student, " What is the domain and range of the graph they made?" Which set best describes the domain of the function in the situation?

Accepted Answer

$$\left\{-3,-1,2\right\}$$

Answer

$$\left\{-3,-1,-1,2\right\}$$

Answer

$$\left\{-1,0,1,2\right\}$$

Answer

$$\left\{-4,-3,-2,-1,0,1,2,3\right\}$$

Question 11

What is the solution to this system of equations?

$$8x+4y=12$$

$$y=-2x+3$$

Accepted Answer

Infinitely many solutions

Answer

(0,3)

Answer

(3,0)

Answer

No solution(parallel lines)

Question 12

Which expression is a factor of

$$x^{2\ }+12x\ +32$$

Accepted Answer

$$\left(x+8\right)$$

Answer

$$\left(x-4\right)$$

Answer

$$\left(x-2\right)\left(x-16\right)$$

Answer

$$\left(x+2\right)\left(x+6\right)$$

Question 13

Which expression is equivalent to $$\left(3x+4\right)\left(3x+4\right)$$ ?

Select all the answers that are correct:

Accepted Answer

$$\left(3x+4\right)^2$$

Accepted Answer

$$9x^2+24x+16$$

Answer

$$9x^2+16$$

Answer

$$6x^2+\ 8$$

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