BetterGrades Precalculus · Unit 8 · Assessment

Unit 8 Mastery Check

A 28–36 item check spanning every unit lesson.

mastery check

36 concrete items

A 28–36 item check spanning every unit lesson.

Assessment

Complete every required response

Item 101

Solve $y=x+4 \qquad y=3x-2$

The complete prompt remains readable and printable without JavaScript.

Repair this skill · Policy: symbolic

Item 202

Solve $y=x+4 \qquad y=3x-2$

The complete prompt remains readable and printable without JavaScript.

Repair this skill · Policy: symbolic

Item 303

Solve $2x+y=7 \qquad x-y=2$

The complete prompt remains readable and printable without JavaScript.

Repair this skill · Policy: symbolic

Item 404

Check $(1,3)$ in $x+y=4,2x-y=-1$ .

The complete prompt remains readable and printable without JavaScript.

Repair this skill · Policy: exact text

Item 505

Solve $y=x^2 \qquad y=4$

The complete prompt remains readable and printable without JavaScript.

Repair this skill · Policy: symbolic

Item 606

Solve $y=x^2 \qquad y=4$

The complete prompt remains readable and printable without JavaScript.

Repair this skill · Policy: symbolic

Item 707

Solve $y=x^2 \qquad y=-1$

The complete prompt remains readable and printable without JavaScript.

Repair this skill · Policy: exact text

Item 808

Meaning double root.

The complete prompt remains readable and printable without JavaScript.

Repair this skill · Policy: exact text

Item 909

Line style $y\le 2x+1$ .

The complete prompt remains readable and printable without JavaScript.

Repair this skill · Policy: exact text

Item 1010

Line style $y\le 2x+1$ .

The complete prompt remains readable and printable without JavaScript.

Repair this skill · Policy: exact text

Item 1111

Line style $y>2x+1$ .

The complete prompt remains readable and printable without JavaScript.

Repair this skill · Policy: exact text

Item 1212

Intersection $x+y=8,x+2y=10$ .

The complete prompt remains readable and printable without JavaScript.

Repair this skill · Policy: symbolic

Item 1313

One equation in three variables.

The complete prompt remains readable and printable without JavaScript.

Repair this skill · Policy: exact text

Item 1414

One equation in three variables.

The complete prompt remains readable and printable without JavaScript.

Repair this skill · Policy: exact text

Item 1515

Meaning $0=5$ .

The complete prompt remains readable and printable without JavaScript.

Repair this skill · Policy: exact text

Item 1616

Meaning free variable.

The complete prompt remains readable and printable without JavaScript.

Repair this skill · Policy: exact text

Item 1717

Dimension with $4 rows,3$ columns.

The complete prompt remains readable and printable without JavaScript.

Repair this skill · Policy: symbolic

Item 1818

Dimension with $4 rows,3$ columns.

The complete prompt remains readable and printable without JavaScript.

Repair this skill · Policy: symbolic

Item 1919

Can $2x2$ add $2x3$ ?

The complete prompt remains readable and printable without JavaScript.

Repair this skill · Policy: exact text

Item 2020

Dot $(1,3)$ with $(2,-1)$ .

The complete prompt remains readable and printable without JavaScript.

Repair this skill · Policy: numeric

Item 2121

Matrix for $x+y=2,x-y=4$ .

The complete prompt remains readable and printable without JavaScript.

Repair this skill · Policy: symbolic

Item 2222

Matrix for $x+y=2,x-y=4$ .

The complete prompt remains readable and printable without JavaScript.

Repair this skill · Policy: symbolic

Item 2323

Name row operations.

The complete prompt remains readable and printable without JavaScript.

Repair this skill · Policy: exact text

Item 2424

Why zero placeholders?

The complete prompt remains readable and printable without JavaScript.

Repair this skill · Policy: exact text

Item 2525

Define pivot.

The complete prompt remains readable and printable without JavaScript.

Repair this skill · Policy: exact text

Item 2626

Define pivot.

The complete prompt remains readable and printable without JavaScript.

Repair this skill · Policy: exact text

Item 2727

Where zero rows?

The complete prompt remains readable and printable without JavaScript.

Repair this skill · Policy: exact text

Item 2828

Meaning $[0,0|7]$ .

The complete prompt remains readable and printable without JavaScript.

Repair this skill · Policy: exact text

Item 2929

Is RREF unique?

The complete prompt remains readable and printable without JavaScript.

Repair this skill · Policy: exact text

Item 3030

Is RREF unique?

The complete prompt remains readable and printable without JavaScript.

Repair this skill · Policy: exact text

Item 3131

Define rank.

The complete prompt remains readable and printable without JavaScript.

Repair this skill · Policy: exact text

Item 3232

Consistent $2 variables,rank2$ .

The complete prompt remains readable and printable without JavaScript.

Repair this skill · Policy: exact text

Item 3333

det identity $2x2$ .

The complete prompt remains readable and printable without JavaScript.

Repair this skill · Policy: numeric

Item 3434

det identity $2x2$ .

The complete prompt remains readable and printable without JavaScript.

Repair this skill · Policy: numeric

Item 3535

det $[[0,1],[1,0]]$ .

The complete prompt remains readable and printable without JavaScript.

Repair this skill · Policy: numeric

Item 3636

What nonzero determinant implies.

The complete prompt remains readable and printable without JavaScript.

Repair this skill · Policy: exact text